keep from

US /kiːp frʌm/
UK /kiːp frʌm/
"keep from" picture
1.

阻止, 隐瞒

to prevent someone from doing something or to prevent something from happening

:
I couldn't keep from laughing when I saw his new haircut.
看到他的新发型,我忍不住笑了起来
She tried to keep the news from her parents.
她试图父母隐瞒这个消息。