Be careful you don't trip up on the step.

你小心别在台阶上绊倒了。

I have never known him to trip up even in details.

即使在琐事上我都不曾看到他犯错。

I am sorry you will have to make another trip up here.

真抱歉，要让你多跑一趟到这里来。?。

This can trip up an interviewee if you are not prepared.

如果没有准备，这个问题就能绊倒你。

But though fortune may favour the brave, it can trip up the headstrong.

尽管运气可能会战胜勇气，但它也能成为绊脚之石。