当表达“担心、忧愁”时,为不可数名词,例:to be sick with worry(愁得要命);当表达“令人担忧的事;让人发愁的事”时,为可数名词,例:family worries(家庭中的烦恼)。
You needn't worry about money ─ I'll see you right.
你不必担心钱的问题——我会给你的。
It's only natural to worry about your children.
为孩子操心是很自然的。
Don't worry ─ everything's under control!
别担心,一切都控制住了!