I can't seem to shake off this cold.

　　這場感冒我好像老好不了。

　　My cold's better, but I can't seem to shake off this cough.

　　我感冒好些了，但這咳嗽好像老也不好。

　　I've got a stinking cold.

　　我得了這該死的感冒。

　　I had a cold and couldn't decide whether to go to work or not

　　我感冒了，拿不定主意是否要去上班。

　　A cold is an infection of the upper respiratory tract.

　　感冒是上呼吸道的感染。