41.give away--give as present来源：考试大

　　42.account for--explain来源：考试大

　　43.out of print--no longer available for purchase from the publisher

　　44.send out--distribute来源：考试大

　　45.in no time--in a very brief time;almost at once

　　46.before long--soon;without much delay来源：考试大

　　47.play by ear--(1)play an instrument without using written music

　　(2)handle a matter without adequate preparation or guidance

　　48.wear and tear--loss or damage caused by use来源：考试大

　　49.come what may--no matter what happens

　　50.drop by--make a short or unplanned visit来源：考试大

　　51.be short of--not having enough

　　52.cut it out--stop doing sth来源：考试大

　　53.be sick of--be tired of;having a strong dislike of来源：考试大

　　54.look for a needle in a haystack(a bottle)--search for something in a place where it is hopelessly lost.

　　55.knock oneself out--work very hard;make a great effort

　　56.run up against--encounter来源：考试大

　　57.far from--anything but;not at all

　　58.far from it--by no means;not at all来源：考试大

　　59.hang on to--hold tightly;keep firmly

　　60.get nowhere--be unsuccessful;obtain no result