It's only human nature to be worried about change.
对变革有忧虑不过是人之常情。
The police are worried that the man may be armed.
警方担心那个人可能携带着武器。
I had the sense that he was worried about something.
我感觉他有心事。
Doctors are worried about the possible spread of the disease.
医生担心这疾病可能会蔓延。
Back at home, her parents were worried.
在家中，她的父母很担心。
There was a worried expression on her face.
她脸上流露出担心的神色。