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1、英语讲义:由on引导的介词短语前后举了不少有关“at”和“in”引导的介词短语。欲罢不能,现在举些由“on”引导的,使大家的介词短语更丰富起来。(1) On the air:在广播中The Prime Ministers National Day speech was broadcast live and will be on the air again.(2) On balance:权衡轻重之后Our national football feam sometimes won but sometimes lost. On balance, it has had a quite good tra
2、ck record.(3) On the dole:接受福利金In the West, unemployed workers can still survive if they are on the dole.(4) On an even keel:平稳的The grocery business has experienced a tough period, but it is back on an even keel.(5) On the loose:不受拘束的According to some newspaper reports, a big tiger is on the loose i
3、n an outlying island.(6) On the make:热衷于追求名利Among your friends, do you have some continually on the make?(7) On the mend:病情在好转件When I saw Mike last time, he was quite ill, but he is now said to be on the mend.(8) On the move :在活动中A good friend of mine has been on the move in and out of the country,
4、trying to find business to do.(9) On a par with:和平等The flowers in that garden are pretty, but I am not sure if they are on a par with yours.(10) On the quiet:秘密地Some foreign students have been making money on the quiet during school holidays.(11) On the rocks:遭受失败His ill-fated attempt has landed its
5、elf on the rocks.(12) on the run:在逃跑中One kidnapper has been arrested, but others are still on the run.(13) On a shoestring:小本经营地Xiao Lei ran his business on a shoestring before it was expanded.(14) On the side:作为兼职Some low-income people have to take up a second job on the side.(15) On the sly:秘密地;偷偷
6、地Smoking was prohibited in school, but some students did it on the sly or in the lavatory.(16) On the spot:当场;立即When an adult shoplifter is caught on the spot, he or she will be sent to prison.(17) On tenterhooks:提心吊胆Those waiting for the outcome of university admission are on tenterhooks beyond the
7、ir control.(18) On the rack:极度焦虑不安When the doctor did not say anything after seeing the patient, the patiant felt somewhat on the rack.(19) On tap:随时可得到的The director has a wide circle of friends who are on tap when needed.(20) On the cards :有可能重现的Unconfirmed news has it that a new university could be on the cards.(21) On edge:紧张;着急;When the small boy could not see his mother in the crowd, he was on edge and cried.(22) On call:待命The company car is always on call to take the Chief Executive Officer to meetings.