翻译英文:别人都在装正经，我只有假装不正经。

要翻译出中文的这种韵味挺难的,这是我翻的
Others are pretending to be serious, while I am disguised to be frivolous.

Others pretend to be serious, I can only pretend not serious.

They are pretending to be serious, but I am pretengding to be not serious

Everyone is pretending to be serious,so I have to pretend not.

Others are in serious, I just pretend not serious.

Others all is in dress seriousness, I only have make believe no really.