什么是keep from?
Keep from是一个英语短语，意思是“防止，避免”，通常用于描述防止某个行动或情感的发生。例如：
1. I couldn't keep from laughing when I saw the funny video.
2. She tried to keep from crying in front of her colleagues.
这两个例子中，keep from的意思是“无法控制自己不去做某事”和“努力控制自己不去表露某种情感”。
keep from和keep away from的区别
虽然keep from和keep away from都有“避免”的意思，但它们的用法和含义略有不同。
3. Keep away from the edge of the cliff.
4. She kept her children from watching violent movies.
在这两个例子中，keep away from更强调远离某个地方或物体，而keep from则更强调阻止某种行为或情感的发生。
5. He kept away from the party because he didn't like the people there.
6. She kept her distance from her ex-boyfriend after their breakup.
这两个例子中，keep away from的意思是“保持距离”，而不是“防止某种行为或情感的发生”。
keep from的常见用法
除了上面提到的控制情感和行为的用法外，keep from还有其他常见的用法。
7. The fence keeps the cows from wandering into the road.
8. He couldn't keep from wondering what she was thinking.
在第七个例子中，keep from的意思是“防止某种物体或生物进入某个区域”。在第八个例子中，keep from的意思是“无法控制自己不去想某个问题或情况”。
总之，keep from是一个非常常见的英语短语，可以用于各种情况下，需要根据上下文来理解其具体含义。