The original meaning of this sentence is that when a person is eating, no matter what he eats, he will not make a sound, that is, he will not make a noise or make any noise. This kind of performance is regarded as a kind of self-cultivation and courtesy, because making a sound may make others feel uncomfortable or annoyed.
Later, the word "eat and keep silent" was extended to describe a person who is calm and calm when encountering difficulties or challenges, and does not make a sound or complain easily. This kind of performance is considered to be a strong and brave quality, because in the face of difficulties, complaining and shrinking can not solve the problem, but will make it worse. On the contrary, calmness and composure can help to better analyze problems and find solutions to them.
More slang from China.
1, Monday morning quarterback: It is a metaphor to take measures after the event, but it is useless. This slang comes from chess. In chess, horses can only take the zigzag route, and they must attack each other's pieces every other minute. If you wait until the opponent's chess pieces have been attacked before taking action, it will be too late, so it is called "Monday morning quarterback".
2, flattery: metaphor flattery, please others. This slang comes from the fact that when the ancient Mongols rode horses, they would pat the horse's ass with their hands in order to make it run faster. Later, this word was extended to describe the behavior of saying nice things or giving gifts to please others.
3. Fired squid: a metaphor for dismissal and dismissal. This slang comes from Cantonese, because when cooking squid, you need to cut it into flower knives and stir-fry it quickly at high temperature, so as to make delicious dishes. Later, this term was extended to describe those who were suddenly fired or dismissed.