例句:When setting out on a long walk, always wear suitable boots.
每次出发远行，都要穿合适的鞋子。 

2.in turn 反过来

例句:The girls took it in turn to wipe down the tables after meals.
女孩子们饭后轮流擦桌子。

3.took place 发生

例句:Another dust-up took place in the teahouse.
茶馆里又发生了一场打斗。

4.In fact 实际上

例句:In fact, those people have been promoted.
事实上，那些人已经升职了。