carry coals to Newcastle
成語所屬單字coal
carry coals to Newcastle — 慣用語
1. To bring something to a place where it is already plentiful, so the action is po
1.慣用語
釋義
多此一舉
To bring something to a place where it is already plentiful, so the action is pointless or wasteful.
例句
Sending a pizza delivery menu to a restaurant that already serves pizza is like carrying coals to Newcastle.
Teaching a violin master class to the Berlin Philharmonic would be carrying coals to Newcastle.