英语词组carry coals to Newcastle是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	carry coals to Newcastle
释义	carry coals to Newcastlev. phr.To do something unnecessary; bring or furnish something of which there is plenty. 运煤至煤都，多此一举；徒劳无功；白费力气。◆ The man who waters his grass after a good rain is carrying coals to Newcastle.大雨过后给草坪浇水的人真是多此一举。［Newcastle is an English city near many coal mines, and coal is sent out from there to other places. 纽卡斯尔是英国一城市，附近有许多煤矿，煤从这里运往其他地方。］
随便看	let on let one's hair down let one's hair down or let down one's hair let out let pass let ride let's don't let's don't also don't let's let sleeping dogs lie let slip let slip the dogs of war let someone have it let someone in on let's roll letter-perfect let the cat out of the bag let the chips fall where they may let the grass grow under one's feet let up let us see let well enough alone let well enough alone or leave well enough alone level best levelheaded level off

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