Catch fish in the water. What idiom?

fish in troubled 【muddied】waters

Pinyin: hú n shu ǐ m not y ú

Explanation: muddy water: the water is not clear. Metaphor takes advantage of chaos to profit.

Source: Lao She's "Four Generations under One Family": "When things are settled, he can fish in troubled waters immediately, regardless of whether Shanghai will go to war."

He won't help others. ~, this time too. ★ Peony Five in Xu Chi

Synonym: fish in troubled waters.

Antonym: don't close the door at night, don't pick up the road.

Grammar: as predicate and attribute; plunder/loot a house when it is on fire—fish in troubled waters

Fish in troubled waters [fish in troubled waters]

Pinyin: hün Shuǐm not yú

Explanation: It is a metaphor for profiting from chaos.

Source: Ma Nancun's "Yanshan Nighttalk: The Property of an Egg": "And he intends to give this picked egg to many eggs laid by neighboring hens to hatch together. The purpose is obviously to fish in troubled waters."

Example: He always wants to be an official.

Synonym: fish in troubled waters.

Grammar: as predicate and attribute; plunder/loot a house when it is on fire—fish in troubled waters