yourself|yourselves

你自己做了这条裙子吗？

Did you make the dress ___yourself?

玩得开心！

Enjoy ___yourself!

小心点，别伤到自己。

Be careful, don't hurt ___yourself.

你看起来不太舒服，照顾好自己。

You don't look well, take care of ___yourself.

你们得自己解决这个问题。

You must solve this problem ___yourselves.