4、(at)尽力,努力……sparenoeffort不遗余力Imadeeveryefforttogetit(atgettingit)2、earn v.赚;得到①earn n. ②earnsb.sth ③earnone’slivingHeearns$10,000ayear.他一年赚10,000英镑。Hishonestyearnedhimgreatrespect.他因诚实而博得人们的尊敬。Sheearnedherlivingbysinginginanightclub.她靠在夜总会唱歌谋生。3、earn/g