英语词汇“be at pains to do something”的读音、意思、造句、用法及中英文翻译-迷途网

词汇	be at pains to do something
释义	be at pains to do something to put a lot of effort into doing something correctly下苦功；花大力气 She was at great pains to stress the advantages of the new system.她极力强调新制度的优点。 See also pains
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