n.[C]

1. 铰链
   The door has gone off the hinges.

   门的铰链脱落了。

2. 枢纽，关键，中心

vt.

1. 给……安装铰链[H]
   The back door is not well hinged.

   后门的铰链安得不好。

vi.

1. 靠铰链转动
2. 决定于[W][（+on/upon）]
   The fate of the project hinges on the decision of the council.

   这项工程的命运取决于委员会的决定。

n.

v.

1. attach or join with or as if with a hinge.
2. (hinge on) depend entirely on.