he has a rest改为否定句He didn't rest for a while. 意思:他休息一下改为否定句他一会也没有休息。a rest读音:英 [ə rest],美 [ə rest]。
例句:
1、You deserve a rest after all that hard work.
辛苦劳累那么久,你该休息一下了。
2、It'll do you good to take a rest
休息一下对你有好处。
3、I felt reinvigorated after a rest and a shower.
我休息了一会儿,冲了个淋浴,感到精神焕发。