① 你最好带点夹克因为今天下午天气会变冷的英文
带点保暖衣服,以防天气变冷
In case of the cold weather ,you'd better take more clothes to keep warm.
天可能会下雨,你最好带把雨伞
In case of the rain,you'd better take an umbrella with you
万一我不在那,找我兄弟帮忙
You could ask my brother for help in case that i was out
我们吧这类故事视为神话,但就他来说,这故事是真实的!
We thought that the story was a myth,but in case of him,it was true