¡¡¡¡£¨1£© On the air£ºÔڹ㲥ÖÐ
¡¡¡¡The Prime Minister's National Day speech was broadcast live and will be on the air again.
¡¡¡¡£¨2£© On balance£ºÈ¨ºâÇáÖØÖ®ºó
¡¡¡¡Our national football feam sometimes won but sometimes lost. On balance, it has had a quite good track record.
¡¡¡¡£¨3£© On the dole£º½ÓÊܸ£Àû½ð
¡¡¡¡In the West, unemployed workers can still survive if they are on the dole.
¡¡¡¡£¨4£© On an even keel£ºÆ½ÎȵÄ
¡¡¡¡The grocery business has experienced a tough period, but it is back on an even keel.
¡¡¡¡£¨5£© On the loose£º²»ÊܾÐÊøµÄ
¡¡¡¡According to some newspaper reports, a big tiger is on the loose in an outlying island.
¡¡¡¡£¨6£© On the make£ºÈÈÖÔÓÚ×·ÇóÃûÀû
¡¡¡¡Among your friends, do you have some continually on the make?
¡¡¡¡£¨7£© On the mend£º²¡ÇéÔÚºÃת¼þ
¡¡¡¡When I saw Mike last time, he was quite ill, but he is now said to be on the mend.
¡¡¡¡£¨8£© On the move £ºÔڻÖÐ
¡¡¡¡A good friend of mine has been on the move in and out of the country, trying to find business to do.
¡¡¡¡£¨9£© On a par with£º¡¡ºÍ¡¡Æ½µÈ
¡¡¡¡The flowers in that garden are pretty, but I am not sure if they are on a par with yours.
¡¡¡¡£¨10£© On the quiet£ºÃØÃܵØ
¡¡¡¡Some foreign students have been making money on the quiet during school holidays.
¡¡¡¡£¨11£© On the rocks£ºÔâÊÜʧ°Ü
¡¡¡¡His ill-fated attempt has landed itself on the rocks.
¡¡¡¡£¨12£© on the run£ºÔÚÌÓÅÜÖÐ
¡¡¡¡One kidnapper has been arrested, but others are still on the run.
¡¡¡¡£¨13£© On a shoestring£ºÐ¡±¾¾ÓªµØ
¡¡¡¡Xiao Lei ran his business on a shoestring before it was expanded.
¡¡¡¡£¨14£© On the side£º×÷Ϊ¼æÖ°
¡¡¡¡Some low-income people have to take up a second job on the side.
¡¡¡¡£¨15£© On the sly£ºÃØÃܵأ»ÍµÍµµØ
¡¡¡¡Smoking was prohibited in school, but some students did it on the sly or in the lavatory.
¡¡¡¡£¨16£© On the spot£ºµ±³¡£»Á¢¼´
¡¡¡¡When an adult shoplifter is caught on the spot, he or she will be sent to prison.
¡¡¡¡£¨17£© On tenterhooks£ºÌáÐĵõµ¨
¡¡¡¡Those waiting for the outcome of university admission are on tenterhooks beyond their control.
¡¡¡¡£¨18£© On the rack£º¼«¶È½¹ÂDz»°²
¡¡¡¡When the doctor did not say anything after seeing the patient, the patiant felt somewhat on the rack.
¡¡¡¡£¨19£© On tap£ºËæÊ±¿ÉµÃµ½µÄ
¡¡¡¡The director has a wide circle of friends who are on tap when needed.
¡¡¡¡£¨20£© On the cards £ºÓпÉÄÜÖØÏÖµÄ
¡¡¡¡Unconfirmed news has it that a new university could be on the cards.
¡¡¡¡£¨21£© On edge£º½ôÕÅ£»×ż±£»
¡¡¡¡When the small boy could not see his mother in the crowd, he was on edge and cried.
¡¡¡¡£¨22£© On call£º´ýÃü
¡¡¡¡The company car is always on call to take the Chief Executive Officer to meetings.
