This expression " a skeleton in the closet" refers to a family secret that is embarrassing or perhaps one that is shameful, that you don't want other people to find out about.

“a skeleton in the closet” 这个表达是指一个令尴尬家庭秘密， 或者是一个你不可耻秘密。

Assuming there's you have skeletons in the closet.

假设你有一些不为秘密。

I revealed the skeletons in the closet.

我揭开了隐藏秘密。

Sinister, if you can't find a skeleton in the closet, like an embarrassing skeleton in the closet of a human being.

邪恶是， 如果你找不到一个隐藏秘密，就像类衣柜里那些令尴尬秘密一样， 那就有些不对劲了。