When reading a list of words quickly, we stumble over such words.

当快速阅读一大串单词时候, 我们结结巴巴说这样的单词.

互联网

Our life presses forth as we stumble over the balance of simplicity and extravagant ambition.

当我们在简单朴实与过度的野心之间艰难地维持平衡时,我们的生活仍在被迫前进.

互联网

A sheep might easily stumble over a cliff or fall into a ravine and die.

羊很容易在悬崖边绊倒,甚或掉进峡谷.

互联网