主要得看什么句子里面用
Keep it to yourself.不要让别人知道.你知道就行了.
比如有个人在你旁边唱一个特别肉麻的歌,你可以说这个.
I'm trying to keep up with him.我在尽力跟上他.
I can't keep up with you.我跟不上你.
Keep it down.不要大声说话,声音小点.
I will keep the money in my pocket.我要把钱留在自己兜里.