worry的形容词和名词是？

　　I'm worried about the safety of the treatment.

　　我担心这种疗法是否安全。

　　We're not too worried by these results.

　　我们对这些结果并不太担心。

　　It's only human nature to be worried about change.

　　对变革有忧虑不过是人之常情。

　　I worry that I won't get into college.

　　我担心自己进不了大学。

　　I'm worried about the safety of the treatment.

　　我担心这种疗法是否安全。

　　It's only human nature to be worried about change.

　　对变革有忧虑不过是人之常情。