vt.

1. 使介入；使插入[（+between）]
   He interposed himself between them to stop them fighting.

   他插在他们之间以阻止其打架。

2. 提出（异议等）
   interpose an objection

   提出异议

3. 插（话）
   She interposed a few questions into the senator's speech.

   她在参议员演讲时插进来提了几个问题。

vi.

1. 介入；插入
2. 仲裁，调停[（+between）]
   Mother interposed in the dispute between my brothers.

   母亲为我的兄弟们的争执调停。

3. 插嘴

v.

1. insert between one thing and another.
2. intervene between parties.
3. say as an interruption.
4. exercise or advance (a veto or objection).