English Dictionary

carry coals to Newcastle

動詞

慣用表現

(idiomatic) To do something that is unneeded or redundant.

日本語の意味

不要なこと、無駄な努力をする行為 / すでに十分な状況に対して、余計な行動を加えること / 必要とされていない、冗長な作業を行うこと

To bring extra maps to the map museum would be to carry coals to Newcastle.

地図博物館に余分な地図を持っていくのは、不要で重複したことをするようなものだ。

意味（1）

(idiomatic) To do something that is unneeded or redundant.

However curious it may seem for an oil-ship to be borrowing oil on the whale-ground, and however much it may invertedly contradict the old proverb about carrying coals to Newcastle, yet sometimes such a thing really happens; and in the present case Captain Derick De Deer did indubitably conduct a lamp-feeder as Flask did declare.

carries coals to Newcastle （ present singular third-person ）

carrying coals to Newcastle （ participle present ）

carried coals to Newcastle （ participle past ）

carried coals to Newcastle （ past ）