carry coals to Newcastle

动词 v.
中文释义

英文释义

动词 v.
  1. To do something that is unneeded or redundant. idiomatic
    — 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.

词形变化

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 bring coals to Newcastle alternative sell coal to Newcastle alternative sell coals to Newcastle alternative take coals to Newcastle alternative

词源

Newcastle upon Tyne (in England) was a major coal-exporting city, so sending coal there would be pointless.
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