above all - most importantly 来源：考试大
　　account for - explain 来源：考试大
　　as a matter of fact - in fact ,to speak the truth
　　as a rule - generally ;normally 来源：考试大
　　about to - be ready to;be on the point of doing something
　　an old hand - be an experienced persom 来源：考试大
　　any day now -soon 来源：考试大
　　approach sb -talk to sb 来源：考试大
　　be fed up with - be out of patience with来源：考试大
　　be on one's own - live independently 来源：考试大

　　be on the safe side - take no chances
　　be out of something - have no longer in supply
　　be tired of - be bored with ,frustrated with 来源：考试大
　　be up to ones'ears - be extremely busy 来源：考试大
　　be up to someone -be a person's responsibility来源：考试大
　　be out for -trying to get
　　be out of the question - be unacceptable ,impossible来源：考试大
　　bite off more than one can chew - take on more than one can handle 来源：考试大
　　break down - cease to function 来源：考试大
　　break the ice - begin to be friendly wuth people one doesn't know

　　break the news - inform or give bad news 来源：考试大
　　brush up on - imporve noe's knowledge of something through study 来源：考试大
　　bump into - meet unexpectedly 来源：考试大
　　by and large - in general来源：考试大
　　by heart - by memory
　　by all means - absolutely ,definitely来源：考试大
　　by no means - in no way来源：考试大
　　call off -cancel来源：考试大
　　cheer up - be happy 来源：考试大
　　come down with - become sick with来源：考试大

　　come into -receive,especially after another's death
　　come up with - think of 来源：考试大
　　count on - depend upon 来源：考试大
　　count out - eliminate 来源：考试大
　　die down - become quiet ,become less来源：考试大
　　do without - manage without something 来源：考试大
　　drop by - visit informally; pay a short visit
　　every other - alternate来源：考试大
　　fall behind - lag; fail to accomplish something on time
　　fall through - fail to happen or be completed