mighty wave crashing on a sandy shore
The Chinese idiom, Pinyin is d à L à NGT á OSH à, which means to wash the sand in the big waves. Metaphor is tested and screened in the fierce struggle. It's from Su Yu's torrent to the sea.
Idiom explanation
Only in stormy waters can the muddy water mixed with sand be washed (purified). It is a metaphor that only when a revolutionary grows up in a long and fierce struggle and stands the test (screening), can he become a real proletarian revolutionary.
The origin of Idioms
Su Yu's "the mighty wave crashing on a sandy shore": "this team has been severely exercised and tested, and the quality is even higher. It is the essence preserved by the wave of the sand."
Idiom usage
We have to stand the test of.
mighty wave crashing on a sandy shore
avoid the difficult and choose the easy - bì nán jiù yì