carry, take, etc. coals to Newcastle
成語所屬單字coal
carry, take, etc. coals to Newcastle — 慣用語
1. To bring something to a place where it is already very common or plentiful.
1.慣用語
釋義
多此一舉
To bring something to a place where it is already very common or plentiful.
例句
Bringing sandwiches to the picnic was like carrying coals to Newcastle.
Selling ice to people in Alaska is taking coals to Newcastle, isn't it?