fray¹

vt.

1. 磨损（织物等）的边缘
   Constant rubbing had frayed his shirt cuffs.

   不断的磨擦磨破了他的衬衣袖口。

2. 使（神经等）紧张；使恼火
   After spending a day with screaming children, her nerves were frayed.

   与吵吵嚷嚷的孩子们呆了一天后，她的神经快要崩溃了。

vi.

1. 被磨损边缘
   The rope frayed and broke.

   绳子磨损后断了。

2. 紧张