What do you mean by natural and man-made disasters?

Natural and man-made disasters, China idiom, Pinyin is tiān zāi wù guài, which means that the ancients were superstitious and thought it was a warning from heaven to the rulers. Idioms explain disasters and changes that happen in heaven and earth. The ancients were superstitious and thought it was a warning from heaven to the rulers.

Knowledge expansion:

Idioms are stereotypes in Chinese vocabulary. Idioms, everyone says they have become words, and so do idioms. Idioms are mostly four-character, and some are three-character, five-character or even more than seven-character.

Character is a symbol system invented by human beings to express and record thoughts, emotions and events. They are usually composed of a series of regular symbols or marks, which can be used to convey information and exchange ideas.

The formation of Chinese characters can be traced back to ancient times One of the earliest writing systems appeared about 5,000 years ago in Oracle Bone Inscriptions in the Yellow River valley of China. They are hieroglyphics carved on tortoise shells and animal bones, which are used to record divination and sacrificial activities. With the passage of time, Oracle Bone Inscriptions gradually developed into different writing forms, such as inscriptions on bronze, seal script, official script and regular script.

Besides Oracle Bone Inscriptions, hieroglyphics in ancient Egypt were also one of the earliest writing systems. They were originally symbols painted on stones, papyrus and pottery, and then gradually evolved into more standardized and simpler writing forms. Latin alphabet in ancient Greece and Rome is one of the most widely used writing systems in the world. It consists of 26 letters, and each letter represents a pronunciation.

Modern writing system is usually based on the combination of syllables and ah letters, which depends on the specific language and cultural background. Therefore, in different language and cultural backgrounds, the writing system will be different.

The formation of characters is a long historical process, and it is a symbol system invented by human beings to express and record thoughts, emotions and events. With the passage of time, characters have evolved and developed, forming various writing forms and writing systems.