释义：

stop somebody (sth) from ... ing 阻止某人做某事，不让某人做某事

stop somebody from ... ing 表示“阻止某人做某事”或“劝别人不做某事”等。

例句：

I couldn't stop you from doing this.
我不能阻止你做这事。
Why did she stop me from dating Adam?
她为什么要阻止我和亚当约会呢？
I came running to stop her from leaving.
我跑过来是要阻止她离开的。

对话：

A: There are too many items on that table.
桌子上有太多东西了。
B: We need to stop it from falling over.
我们不能让这些掉下来。