worry可數嗎?還是表示具象又抽象時有所不同?

　　例句：

　　1、Don't worry, your luggage will come on afterwards by taxi.

　　別擔心，你的.行李隨後會由計程車送過來。

　　2、I'm still in the early days of my recovery and that worries me.

　　我還處於恢復的早期階段，這讓我很擔心。

　　3、The cold doesn't worry me.

　　冷我不怕。

　　4、The admission shows the depth of worry among the Tories over the state of the economy.

　　這一認可表明了保守黨黨內對經濟狀況的憂慮之深。

　　5、My main worry was that Madeleine Johnson would still be there.

　　我最擔心的是馬德琳·約翰遜仍會在那兒。