一回的用法和樣例：
例句
-
在人生中，好比在文法里，有例外多于規則這么一回事。
It happens in life, as in grammar, that the exceptions outnumber the rules. -
那冠軍在第一回合中就敗了？真想不到哇！
The champion beaten in the first round? That's a turn-up for the book! -
裁判判定他在第一回合被擊敗。
The referee counted him out in the first round. -
這一回他可是自討苦吃了。
He's really landed himself in it this time. -
一回到家里，我就把花在花瓶里插好。
I arranged the flowers in the vase as soon as I came back home.
