off again的用法和樣例：
例句
- Gosh, that guy is sounding off again!
天哪，那個傢伙又在夸夸其談了！ - Oh dear, he's off again on his favourite subject. Isn't there any way of stopping him?
天哪，他又在絮絮不休地談他感興趣的問題。有沒有法子使他閉嘴？ - Jane doesn't know if she's going to the picnic. She's off again, on again about it.
簡不知道自己是不是要去參加野餐，她一會兒這樣，一會兒那樣。 - Tom has hived off again.
湯姆又不辭而別了。
