担心
dān xīn
to worry, to be concerned about
verb
Example
妈妈总是担心我在外面的安全。
Māma zǒngshì dān xīn wǒ zài wàimiàn de ānquán.
Mom always worries about my safety when I'm out.
A very common and useful verb expressing worry or concern. Can be used both as a standalone verb or followed by an object or clause describing what you're worried about.