The stumbling choice of words made him more and more nervous.

反复错误的措辞使他越说越紧张。

The child took stumbling steps forward.

小孩跌跌撞撞地往前走。

Seeing the old man's stumbling walk, I went to help him at once

看到老人艰难移动，我立即上前去帮忙。

Stumbling on Happiness is a funny and insightful exploration into why we're such poor predictors of our own happiness.

《哈佛幸福课》是一本有趣又富有洞察力的书，它探索了我们为什么无法准确预测自己的幸福。

The major stumbling block in the talks has been money.

谈判的主要绊脚石一直是钱。

One of the stumbling blocks in the Doha round, for example, was "preference erosion".

举个例子，阻碍多哈会议进程的一个绊脚石就是“优惠侵蚀”。

We were stumbling around in the dark looking for a candle.

黑暗中，我们东跌西撞地找蜡烛。

At this moment, Peter came stumbling in.

这时，彼得跌跌撞撞地跑进来。

When one of you falls down, he falls for those behind him, a caution against the stumbling stone.

当你们中的一个人跌倒时，他是为后面的人跌倒，使他们小心避开绊脚的石头。