我试过用一些指甲硬化剂，但是没用。

I've tried nail hardeners, but they don't seem to help.

youdao

男友：不是，是真的。我试过各种方法：嚼口香粮、咬手指甲、甚至打坐，可是都没效。

No. It's true. I've tried everything: chewing gum, biting my fingernails and even meditation, but nothing works.

youdao

我曾经尝试过想要停下来，因为这事使我很厌烦，每当我签名的时候，那些女孩们就会说，你咬手指甲！

I've tried to stop and it's something that bothers me because when I'm signing auto graphs , the girls are like, 'You bite your nails!

youdao