vi.

1. 插进；介入；介于中间[（+between）]
   Five years has intervened since he last saw Daisy.

   自从他上一次见到黛西以来，五年过去了。

2. 干涉，干预；调停[（+in/between）]
   They were about to fight when their father intervened.

   他们的父亲出来调停时，他们已经快要打起来了。

   The Bank of England had been intervening in foreign exchange markets.

   英格兰银行对外汇市场进行了干预。

3. 干扰，阻扰；打扰
   I shall leave on Sunday if nothing intervenes.

   若无什么事情发生的话，我将于星期天动身。

v.

1. come between so as to prevent or alter something.
   ▸occur as a delay or obstacle to something being done.
   ▸interrupt verbally.
   ▸Law  interpose in a lawsuit as a third party.
2. [usu. as adj. intervening] occur in time between events.
   ▸be situated between things.