be at pains to do sth to be especially careful to make sure people understand what you are saying or what you plan to do小心翼翼地做某事〔以免别人误解〕:•Roy was at pains to point out that English was the only exam he'd ever failed.罗伊小心翼翼地点明英语是他唯一曾经考试不及格的学科。be at pains to do sthto put a lot of effort into doing sth 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。 |