391. Though you've got to get them to do it, by helping too much, or even examining answers too carefully, you may keep them from doing it by themselves.

译文

尽管你已经让他们去做，但提供过多的帮助，抑或甚至过于仔细地检查答案，你可能反而会阻止他们自己动手。

点睛

get sb. to do sth.意为“让某人做某事”。如：
You may get him to deliver the letter for you. 你可以让他帮你把信送过去。
keep sb. from doing sth.意为“使某人不能做某事”。如：
The bells kept me from sleeping. 钟声吵得我睡不着觉。

考点归纳

keep...from...短语还有以下用法：
keep (oneself) from doing sth.意为“克制自己不做某事”。如：
I could hardly keep myself from laughing. 我忍不住大笑起来。
keep sth. from sb.意为“不将某事告诉某人”。如：
We ought to keep the truth from her. 我们不应该告诉她实情。