after, as, before, once, since, till, until, when, whenever, while, as soon as
Let's wait till the rain stops. 咱們等到雨停再說吧。
Once the train is moving, there's no way to stop it. 火車一旦開動就沒辦法讓它停下來。
They were scolded whenever they were late for school. 每次他們上學遲到都挨罵。
the minute, the moment, every time, the first time
The moment he reached the country, he started his search.
Every time I saw the straw hat, it reminded me of the tour I made years before.
I thought her nice and honest the first time I met her. 我第一次見到她就覺得她誠實而友善。
Directly the master came in, everyone was quiet. 校長一進來， 大家就安靜下來。
The young lady rushed into the room immediately she heard the noise.