bounce off

• • 从(表面上)弹回；跳回:

    The ball hit the wall and bounced off.

    球打在墙上又反弹回来。

    The ball bounced off the wall and he caught it.

    球从墙上弹回，他接住了球。

  • [美国口语]了解(某人)对(某事)的想法(或意见等)；向(某人)做试探，试探(某人)对某一新设想的反应和意见；大发议论：

    They bounced their ideas off each other.

    他们相互交换彼此的想法。