keep/prevent/stop sb. from doing/阻止某人做

keep/prevent/stop sb. from doing/阻止某人做

keep/prevent/stop sb. from doing/阻止某人做……

Please keep the children from swimming in the sea.

请别让孩子到海里游泳。

The big noise outside my room stopped me from doing my homework.

屋外的噪音太吵闹，使我无法做我的家庭作业。

不可和keep sb.from doing sth.结构混淆。例如：

I am sorry for having kept you waiting for so long.

很抱歉让您等了这么长的时间。