off again

• adj. 易变化的(未解决的；不肯定的)

off again的用法和样例：

例句

1. Gosh, that guy is sounding off again!
   天哪，那个家伙又在夸夸其谈了！
2. Oh dear, he's off again on his favourite subject. Isn't there any way of stopping him?
   天哪，他又在絮絮不休地谈他感兴趣的问题。有没有法子使他闭嘴？
3. Jane doesn't know if she's going to the picnic. She's off again, on again about it.
   简不知道自己是不是要去参加野餐，她一会儿这样，一会儿那样。
4. Tom has hived off again.
   汤姆又不辞而别了。