latchkey

名词 latchkey:

1. key for raising or drawing back a latch or opening an outside door

1. She won't interfere with you any more; your independence is achieved and you have won your latchkey.
   她再与也不会干涉你了，你有了独立自主权，你已经有了你自己出入大门的钥匙。

latch.key

n.（名词）
A key for opening a latch or lock, especially one on an outside door.
碰簧锁钥匙：打开弹簧锁或锁头的钥匙，尤其指大门钥匙