Show the meaning of mountains and dew

Reveal one's talent: a metaphor for fame. ?

The origin of the idiom: Zhou Keqin's "Xu Mao and His Daughters" Chapter 6: "The shadow of a young doer will never be revealed, his tall figure and broad shoulders." ?

Grammar: obvious surge as predicate; Fingers began to appear.

Example: The second chapter of Chen's White Deer Plain: "A truly learned man like his brother-in-law is actually invisible."

Make a sentence:

1, hardworking children, never show off their mountains and dew.

2, a comfortable smile, considerate but not obvious.

True happiness is not obvious, it abandons glitz and noise.

Be a mysterious person who doesn't show the mountains and dew, and don't let others see through your heart.