It is no use trying to catch up with the train once it starts.

当火车启动时 设法追上那趟车是徒劳的

He stopped and let her catch up with him.

他停下了，让她赶上自己。

Most late developers will catch up with their friends.

绝大多数发育晚的人都将赶上他们的朋友们。

After missing a term through illness he had to work hard to catch up with the others.

他因病休学一学期，不得不努力学习好赶上别的同学。

Like many in Russia, she blamed the country's failings on futile attempts to catch up with the West.

像在俄罗斯的许多人一样，她把这个国家的错误归咎于想赶上西方的徒劳。

You go first, and I'll catch up with you later.

你先走，我随后赶上你。