What does it mean to teach fish to swim?

Teaching fish to swim means showing off your skills in front of experts.

Idiom Pinyin: It is an idiom to teach others to play with an axe. Pinyin: Pei.

Idiom explanation: Ban: Like public defeat, that is, Lu Ban, a famous craftsman of Lu in the Spring and Autumn Period. Playing with an axe in front of Luban. Metaphor shows off skills in front of experts. Showing off one's skills in front of experts.

Idiom origin:

1, Tang Zongyuan's "Preface to Wang Chorus": "When the axe is in the door, it is strong."

2. Ming Mei Zhihuan's "Title Li Bais Tomb": "A pile of soil is quarried by the river, and Li Bai is famous throughout the ages; There are poems coming and going, and Lu Ban has a big axe in front. " From this, it is simplified to the idiom "teaching people with an axe".

Idiom implication

This idiom tells people to learn to be modest and not to show off their skills in front of others casually, otherwise they will probably teach others to joke. People often say, "shine on you is better than blue." An ordinary motto contains profound truth, that is, the problem of inheritance and development.

Old things are the support of the development of new things, and new things are the result of the development of old things. They are closely related and have the function of connecting the past with the future. It is not advisable to stick to the rules and be passive. Everything should be based on the idea of seeking advice from our predecessors with an open mind, and then it is reasonable to seek development and innovation on this basis. It is one-sided to emphasize any one aspect alone.