boil the ocean
US /bɔɪl ðə ˈoʊʃən/
UK /bɔɪl ðə ˈoʊʃən/

1.
煮沸大海, 做不可能的事
to undertake an impossible or overly ambitious task; to attempt something too large or complex to be feasible
:
•
Trying to implement all these features at once is like trying to boil the ocean.
试图一次性实现所有这些功能就像煮沸大海一样。
•
We need to focus on achievable goals, not try to boil the ocean.
我们需要专注于可实现的目标,而不是试图煮沸大海。