
This is a metaphor for shallow, empty-minded individuals who speak confidently about things they know nothing about. It comes from the fact that striking an empty barrel produces a loud sound.

Beautiful women may look good, but they tend to be indifferent, whereas ugly women tend to have deep affection and strong jealousy. It is also used as a metaphor for something that is well-intentioned but bothersome.

When a person who can skillfully mediate appears during a fight or argument, it helps both sides save face, making it easier to settle the situation. Just like a guardian deity, a mediator is someone to be grateful for, so it is better to comply with the mediation.

Bad-tasting, unappetizing things tend to increase in quantity when boiled. This is a metaphor for how boring things tend to have a lot of quantity.

It starts off vigorously but gradually loses momentum and ends up in a miserable outcome.

It is inevitable for people to make mistakes, but when they realize their mistakes, they should correct them immediately, and it is the refusal to correct them that constitutes the true mistake.

Information about bad deeds spreads very quickly and widely. Therefore, the lesson is that one should not commit wrongdoing.

If you commit wrongdoing, the consequences will come back to you.

Things that are painful and cannot be told to others can be relieved by digging a hole and venting everything out inside it.

It is ironic to think that one has hidden all flaws or wrongdoings when only a part of them is concealed. This expression comes from the image of a pheasant burying its head in the grass while its tail remains exposed, unaware of it.