1, ask waterfront: metaphor is irresponsible or irrelevant.

2, the teacher who asks the crime: crusade against the criminal's army, but also a metaphor for people who come to severely question.

3, no one cares: metaphor no one asks, no one tries or buys.

4, singling out: mobilizing the army to denounce each other's sins, also refers to a big fight, gathering a group of people to ask questions.

5, be caring and attentive: describe being very concerned about people's lives and asking questions.

6. The hanging pot came out: practicing medicine in the listed society.

Ask a famous saying:

1, knowledge is learning, learning and asking are complementary, and learning is divided into learning and asking, which is a lot.

2, learning without thinking is useless, thinking without learning is dangerous.

3, learn your doubts, small doubts, big doubts.

4, a good questioner, such as attacking wood, the first is easy, and then the procedure.

5, ask questions and you will have money, but you will be small for your own use.

6. If you don't learn, you won't learn.