keep from的用法归纳

　　Unable any longer to keep from breaking in she said, 'I simply cannot believe you're serious.'

　　她再也忍不住了，便插话道：“我真不敢相信你是认真的。”

　　Keep from moisture!

　　切勿受潮！

　　I hope you will keep from doing anything rash.

　　我希望你克制自己不去做任何鲁莽的事。

　　I just managed to keep myself from falling.

　　我差一点儿没摔倒。

　　Keep away from the edge of the cliff.

　　切莫靠近悬崖边。