What diplomatic talents were there in China's ancient history who failed to fulfill their mission? Briefly describe their deeds.

Su Wu (former 140- former 60), Zi Zijing, born in Ling Du (now southwest of Xi, Shaanxi Province), was the son of Su Jian. In his early years, he took his father's shadow as his own lang and moved to the stable prison slightly. In the first year of Tianhan (before 100), I worshipped the corps commander. At that time, the relationship between the Han Dynasty in the Central Plains and the Xiongnu, a minority regime in the northwest, was good and bad. In BC 100, the Xiongnu regime Sinkhan ascended the throne. In order to show friendship, Emperor Wu of the Han Dynasty sent Su Wu to Xiongnu with 100 people and many possessions. Unexpectedly, when Su Wu completed his mission and prepared to return to China, civil strife broke out in the upper Huns, and Su Wu and his party were implicated, detained and asked to betray the Han Dynasty and submit to Khan.

At first, Khan sent someone to lobby Su Wu, promising him a generous salary and high officials, but Su Wu flatly refused. Seeing that persuasion was useless, the Huns decided to use an ascetic monk. It was winter and it was snowing heavily. Khan ordered Su Wu to be locked in an open cellar, without food and water, hoping that this would change Su Wu's faith. Over time, Su Wu was tortured in the cellar. When he was thirsty, he ate a handful of snow. When he is hungry, he will chew the sheepskin jacket he wears. After several days, Su Wu, who was dying, still refused to give in and had to let Su Wu out.

Khan knew that there was no hope of persuading Su Wu to surrender, but he respected Su Wu's integrity more and more, didn't have the heart to kill Su Wu, and didn't want him to return to his own country, so he decided to exile Su Wu to Siberia's Baikal region and let him shepherd sheep. Before he left, Khan summoned Su Wu and said, "Since you don't surrender, I'll let you go herding sheep. When the ram gives birth to a lamb, I will let you go back to the Central Plains. "

After being separated from his companions, Su Wu was exiled to the inaccessible Lake Baikal. Here, you can't escape on your own. The only people who accompanied Su Wu were the ambassador stick representing the Han Dynasty and a small flock of sheep. Su Wu used this ambassador stick to herd sheep every day, thinking that one day he could bring it back to his own country. In this way, day after day, year after year, all the ornaments on the ambassador's stick fell off, and Su Wu's hair and beard turned white.

In Lake Baikal, Suwu herded sheep for nineteen years. For more than ten years, Khan, the Xiongnu who ordered his imprisonment, has passed away. Even in Su Wu, the old emperor died and his son succeeded to the throne. At that time, Xin Khan carried out the policy of reconciliation with the Han Dynasty, and Emperor Wu of the Han Dynasty immediately sent envoys to take Su Wu back to his own country.

Su Wu was warmly welcomed in Han Dynasty, and all the people from the emperor paid tribute to this hero who was rich in national integrity. More than two thousand years have passed, and Su Wu's lofty integrity has become a model of China's ethical personality and a national cultural psychological factor.

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Lin Xiangru returned to Zhao safely.

During the Warring States Period, King Huiwen of Zhao had a treasure jade called "Chu Shi Bi", which was known to Qin Zhao Haoqi. An envoy was sent to Zhao to discuss with King Huiwen: "King Huiwen, Qin is willing to exchange fifteen cities for Zhao's treasure jade, which is a" jade of Chu and stone ".

King Huiwen listened and said, "What shall we do? Qin is so powerful that if we give Baoyu to Zhao Haoqi of Qin, if he cheats, he won't give us fifteen cities. If not, will King Qin Zhao send troops to attack us in a fit of pique? What should we do? " When everyone saw that King Huiwen was so upset, someone suggested, "Why don't you invite Lin Xiangru? He is smart and brave, and he will definitely come up with a good idea."

After Lin Xiangru came, King Huiwen asked him the first sentence: "The State of Qin will exchange fifteen cities for the State of Chu and Shibi. Do you think I should promise him? " Lin Xiangru said without hesitation, "Qin Guoqiang is strong and Zhao is strong. I don't think you can do it if you don't promise! " "But what if Qin took my jade and didn't give it to our city?" King Huiwen asked anxiously. Lin Xiangru immediately said, "Qin will exchange fifteen cities for the harmony between Chu and Zhao. If Zhao refuses, it is of course Zhao's fault. On the other hand, if Qin got the imperial seal but didn't give the city to Zhao, it is Qin's fault. Therefore, in my opinion, it is better to send someone to give this jade to Qin. "

Zhao Haoqi Huiwen thinks that what Lin Xiangru said is very reasonable: "In your opinion, who should be sent?" Lin Xiangru volunteered and said, "If the King really can't find the right person, I'd like to try. If Qin keeps his promise and gives Zhao Guocheng to us, I will leave Jasper in Qin; If Qin reneges on his word and does not give the city to Zhao, I will be responsible for returning the original jade to Zhao. "

When Lin Xiangru arrived in Qin State, he met Zhao Haoqi of Qin State and gave him this jade. Zhao Haoqi of Qin was very happy to see Bi Yu. I have been holding the jade in my hand and appreciating it carefully, passing it on to the courtiers and concubines around me, but I have never mentioned the exchange of fifteen cities. Seeing that something was wrong, Lin Xiangru immediately went up to the king of Qin and said, "Your Majesty, although this jade is a rare treasure, it still has some flaws. Please let me show it to your majesty! "

Hearing this, the king of Qin said, "Is there a flaw? Show me quickly! " After Lin Xiangru took the imperial seal from the king of Qin, he immediately stepped back a few steps, leaned against the big pillar, stared at the king of Qin and said loudly, "There is no flaw in this imperial seal, but I didn't intend to give fifteen cities to Zhao after seeing the king of Qin take Baoyu away. So I lied to get Bi Yu back. If the king wants to force me to hand over Bi Yu, I will smash Chu He with my own head. " Lin Xiangru say that finish, just put on a pair of to hit the wall. Zhao Haoqi of Qin was afraid that Lin Xiangru really broke the jade, so he smiled and said, "Don't be angry, please come! Go and get the map and draw fifteen cities for Zhao. Now you can rest assured to give me the jade! "

Knowing that the king of Qin was uneasy and kind, Lin Xiangru lied to the king of Qin and said, "This piece of Chu is a rare treasure that everyone knows. Before the king of Zhao sent me to the state of Qin, he bathed in fragrant soup and fasted for five days, so the king had to fast for five days when he took it, and then he held a big gift as a warning! " . In order to get this jade, the king of Qin had to do as Lin Xiangru said. Lin Xiangru returned the jade from the path to Zhao while the King of Qin fasted and bathed for five days.

Five days later, the king of Qin really gave Lin Xiangru a grand reception. As soon as Lin Xiangru saw the king of Qin, he said, "Your Majesty, there have been more than twenty kings in Qin since Miao Gong of Qin, and few of them have kept their promises. I'm afraid they will suffer. I have sent someone to send Bi Yu back to Zhao! If the king really wants to exchange the city for Chu and Choi, please cede fifteen cities to Zhao first, and Zhao Wangyi will keep his promise and offer jade. Now, please ask the king to deal with me! "

Qin heard that Lin Xiangru was sent back to Zhao. Although he was very angry, he also admired Lin Xiangru's bravery. Instead of killing him, he treated him with courtesy and sent him back to Zhao.

Later, people used "give everything back to Zhao" to describe the meaning of giving something back to others.