介绍:
keep, 及物动词，保持，保留，
Keep it to yourself. 你自己知道就行了，不要告诉别人，不要和别人说，保密。
我马上要出国了，但不想所有人都知道。你不要和别人说。
I am about to leave this country but I don't want everyone to know it. So, keep it to yourself.
我不想大家知道我升职了，你不要和别人说，好吧？
I don't want people to know I got promoted. Just keep it to yourself, ok?
我给我女朋友秘密策划了一个生日派对，不过还有一周。你能帮我保密吗？
I've planned a secret birthday party for my girlfriend. But it's one week to go. Please keep it to yourself.
