清: unmixed; clear不要: don't为此: to this end; for this reason ...费心: give a lot of care; take a l ...了: finish; complete; end; fulfi ...请不要费心了: please don't trouble不要为此灰心丧气: don’t let this get you down为何对此费心: why bother劳您费心了: i'm sorry to trouble you a lot让你费心了: thank you for your care我要为此干杯: i'll drink to that不要为我担忧: don't worry about me; don’t worry about me不要为我哭泣: don’t cry for me,argentina你不要白费心思: you needn't bother your head for nothing不要为琐事而烦恼: donz worry about small stuff不要为小事懊恼: don't be upset by trifles不要为小事去胡闹: don't kick up a row about such trifle不要为这事发愁: don't worry about it不要为末来担忧,不要为过去悲泣: fear not the future; weep not for the past费心: 1.(耗费心思) give a lot of care; take a lot of trouble2.[套] may i trouble you (to do sth.); would you mind (doing sth.) 请费心给他捎个口信。may i trouble you to give him a message为此: to this end; for this reason; for this purpose; in this connection; therefore 为此我不相信她。 for that reason, i don't believe her now. 为此我们必须作出更大的努力。 we must make greater efforts in this connection. 大家都为此感到高兴。 we all feel delighted by this不要为打翻的牛奶而哭泣: there is no use crying over spilt milk不要为撒了的牛奶哭泣: don't cry for the spilt milk不要为十全十美担心: have no fear of perfection――you'll never reach it. ――s.dali不要为我担心,你这么了解我: don't worry about me,you know me better than that