The meaning of meritorious service for nothing.

That idiom is useless.

make a futile effort

Put it together.

Voice: tú

work

a state in the Zhou Dynasty

Guangling

solve

Interpretation: Even if you work hard, there will be no active and ineffective work.

appear

Chu: "Zhuangzi Tian Yun": "Pushing the boat to the ground is useless." "Guanzi Situation": "No, no, I don't know, it's in vain."

use

Methods: combined type; As predicate, attribute and complement; With derogatory meaning;

It means in vain.

show

Example: Boluo's flashy Chinese Art Museum is a waste of time, a waste of time.

Synonym: futility

Antonym: something for nothing.