yí​shān​tián​hǎi

to remove mountains and fill seas

移山填海 yí​shān​tián​hǎi
to remove mountains and fill seas
To move mountains and fill the sea; used to describe a task of massive scale, the use of supernatural powers, or immense determination to reshape nature
to overcome immense difficulty
Metaphor for experiencing extreme hardship or facing immense difficulties

Frequency

Written text
0.069 per million

Sources

Frequency data
BCC Corpus (BLCU)