For the sake of a gentleman, please correct me. Can you say that?

It is these (words or articles) that are used by the hospitality gentlemen to let you taste and fill your spiritual appetite.

Have fun. It means people get together to have a big meal, it means entertaining people with wine and food, and it means inviting people to enjoy it.

Point out mistakes or shortcomings in order to correct them. Modesty is used to invite people to criticize and correct their opinions or works.

It can be used to report from a lower level to a higher level. Usually used when subordinates review the files of superiors. The general usage is "please ask the superior to correct" and "if there is anything wrong with the above, please indicate".