worrying
v. 不安；（使）担心；（使）恼怒；（狗等食肉动物）撕咬；（狗）追逐（牲畜）（worry 的现在分词）
adj. 令人担心的
n. 骚扰；反复的拨弄
例句
It's useless worrying about it.
为这事担心无济于事。
《牛津词典》
It's no good worrying about it now.
现在担心已没什么用处。
《柯林斯英汉双解大词典》
I have sleepless nights worrying about her.
我有好几个不眠之夜都在为她担心。
