hinge

我们的旅行计划完全取决于天气情况。

Our travel plans ___hinge entirely on the weather conditions.

橱柜门上的铰链松了，需要拧紧。

The ___hinge on the cabinet door is loose and needs tightening.

有效的沟通是团队合作的基石。

Effective communication is the ___hinge of successful teamwork.