off and的用法和樣例：
例句
用作副詞 (adv.)
- The powder ignited and suddenly puffed up.
火藥著了火，忽然向上噴起來。 - And then all of a sudden I was going off the road!
可是忽然間，我的車朝著公路外邊衝出去了。
辭彙搭配
- on and off 斷斷續續地
- stand off and on 一忽兒接近海岸,一忽...
- play off and on with 一會戴上一會摘下...
- pack off bag and baggage 連人帶隨身東西一齊打...
- off and on 斷斷續續
