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

你还可以试试指甲硬化油；这是一种指甲油。

You can even use a nail hardener; it is a kind of varnish for your nails.

youdao

我的指甲很长，但很容易折断。我试过用一些指甲硬化剂，但是没用。 䅠。

My nails grow quite long, but they break off. I've tried nail hardeners, but they don't seem to help.

youdao