她昨晚栽跟头摔下楼梯了。

She fell head over heels down the stairs last night.

不老实的人到头来总是要栽跟头的。

Dishonest people are bound to come a cropper in the end.

工作中听不进群众的意见就容易栽跟头。

One is likely to blunder in one's work if one refuses to listen to the masseses.

这小伙子未免太聪明了一点，总有一天他要栽跟头的。

He is too clever by half, is that young man; one of these days he'll come a cropper.