vouch[vautʃ]

• vi.
  • 担保，为…作保(常与 for 连用)：

    My friends will vouch for me.

    我的朋友们可以为我作保。

  • 保证；证实；证明(常与 for 连用)：

    I've read this report carefully and I can vouch for its truthfulness.

    我已仔细看过这份报告，我可以保证它的真实性。

• vt.
  • 保证；证实：

    He vouched that she was really with him at the time.

    他保证当时她确实和他在一起。

  • 引证，引典证实
  • 【法律】传(某人)出庭作证
• n.
  • [废语]断言；保证