短语词组短语bounce ideas off sb 征求他人意见bounce e off 弹开bounce off an engine 摇车启支发动机to bounce off sth 从…上反射Bounce off the walls 无比兴奋Bounce off regularity 反弹规律bounce off the engine 摇车启动发动机bounce an idea off someone 把问题丢过去像一颗球 返回 bounce off