He glanced quickly over his shoulder to see if he was being followed.

他匆匆向后瞥了一眼，看看是不是被人跟踪了。

I glanced at my watch and decided to leave.

我匆匆看了看表，决定离开。

As he glanced down the page, a notice caught his eye.

他往下浏览时，一则布告吸引了他的注意力。

take / have / give a glance at

粗略地看一下

He saw at a glance what had happened.

他一看就知道发生了什么事情。

He fell in love with her at first glance.

他对她一见钟情。