permission 
英 [pəˈmɪʃən]  美 [pərˈmɪʃən] 
n. 许可；准许；允许；同意

例句：
He asked for permission to leave the room. 

他询问是否可以离开这个房间。

He got permission from his commanding officer to join me. 

他获得指挥官的准许，和我一起去。

Police said permission for the march had not been granted. 

警方表示尚未批准这次游行。

He gave her permission to marry. 

他准许她嫁人了。

He finally relented and gave permission for his daughter to marry. 

他最后作出了让步，准许女儿结婚。