to carry coals to Newcastle

“ carry coals to Newcastle”的英语定义和含义

to carry coals to newcastle
01

多此一举, 白费功夫

to undertake something that is pointless
Dialectbritish flagBritish
to [carry|take] coals to Newcastle definition and meaning
idiom
old use
例子
Introducing a new dance move to a group of professional dancers is like carrying coals to Newcastle - they already have plenty of moves.
给有净水器的家送瓶装水,真是多此一举。
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