if you are pleased to see the back of someone or something, you are pleased that you no longer have to be involved with him, her, or it

巴不得…早点结束；再也不愿见到（某人）

 

例句：

 

The hotel staff were glad to see the back of such a difficult guest.

宾馆员工很高兴把这么难伺候的客人打发走。