1.Go/keep on a diet

　　I’m on a diet recently, so I’d better skip the dessert.

　　2.Have a hard/difficult time with sth.

　　3.Have a temperature/fever

　　4.Have the final say:有决定权

　　5.Hold up:堵塞，持枪拦截，举起，拦截

　　Did you hear that the convenience store next to the gas station was held up last night?(2005-6)

　　6.In a good/terribly /mood

　　7.In the long run:长期来看

　　It seems very experience. But in the long run it will save the money on the maintenance.(1995-6)

　　8.Join in:参与

　　9.Keep between the two of us:/keep a secret

　　10.Keep fit