1.flying colors--success,victory来源：考试大

　　2.little by little--gradually

　　3.call off--cancel来源：考试大

　　4.come into--receive,especially after another's death

　　5.put off--postpone来源：考试大

　　6.stop by--make a brief visit on one's way elsewhere

　　7.tie up--hinder来源：考试大

　　8.be out for--trying to get来源：考试大

　　9.fill in for--take another's place

　　10.turn down--(1)refuse or reject

　　(2)reduce the loudness of来源：考试大

　　11.go off--begin to ring来源：考试大

　　12.cut down--lessen;reduce;limit

　　13.come up with--produce;supply来源：考试大

　　14.make it--(1)achieve a specific goal

　　(2)succeed in general来源：考试大

　　15.catch one's eye--attract one's attention

　　16.care for--(1)like;value来源：考试大

　　(2)look after;take care of来源：考试大

　　17.head and shoulders above--much better

　　18.catch on--become popular来源：考试大

　　19.on the whole--in general来源：考试大

　　20.fill sb in--tell what sb should know