hinge

• 使门、盖子、闸门等物体绕轴转动或开合的连接装置。

A movable joint or mechanism on which a door, gate, lid, or other object turns or swings open and closed.

1. Mechanical jointB1formal

   A movable joint or mechanism on which a door, gate, or lid swings as it opens and closes.

   铰链

   • The door squeaked because the hinge needed oiling.
   • He replaced the broken hinge on the cabinet.
   • The gate swung smoothly on its new hinges.

   同义词articulationjointpivotswivel

2. Central principleB2formal

   A central or crucial element on which everything depends.

   关键

   • Trust is the hinge of a successful relationship.
   • The economy is the hinge of the government's policy.
   • The hinge of the argument was the lack of evidence.

   同义词cornerstonefulcrumkeystonelinchpinpivot

• 表示某事完全取决于某个因素或条件，即以某事物为前提或关键。

A verb used to indicate that something depends entirely on a particular factor or condition.

1. Depend entirely onB2formal

   To depend completely on a particular factor or condition.

   取决于

   • The success of the project hinges on the team's cooperation.
   • His decision hinges on the outcome of the negotiations.
   • The entire plan hinges on whether we get funding.

   同义词dependhangpivotrestturn

2. Attach with a hingeB2formal

   To attach or connect something using a hinge mechanism.

   用铰链连接

   • The carpenter hinged the door to the frame.
   • The lid is hinged to the box for easy opening.
   • They hinged the gate to the post securely.

短语动词变体hinge onhinge upon