/rɪˈbaʊnd/
no obj.
1- bounce back through the air after hitting a hard surface or object弹回, 跳回：
his shot hammered into the post and rebounded across the goal.
他一脚将球射在门柱上, 球穿过球门弹了回来。
1.1
- no obj. recover in value, amount, or strength after a previous decrease or decline重新跃起, 回升：
the Share Index rebounded to show a twenty-point gain.
股票指数回升, 显示出20点的获利。
1.2
- no obj.
rebound on/upon
(of an event or situation) have an unexpected adverse consequence for (someone, especially the person responsible for it)（事件, 局势）产生事与愿违的结果： Nicholas's tricks are rebounding on him.
尼古拉斯多行欺诈, 现在正在自食其果。
1.3
- no obj. Basketball gain possession of a missed shot after it bounces off the backboard or basket rim【篮球】抢得篮板球。
/ˈriːbaʊnd/1
- (in sporting contexts) a ball or shot that bounces back after striking a hard surface（运动用语）（球, 弹子）弹回, 跳回; 反弹球：
he blasted the rebound into the net.
他使球回弹进网内。
1.1
- Basketball a recovery of possession of a missed shot【篮球】篮板球抢得。
1.2
- an instance of increasing in value, amount, or strength after a previous decline回复; 回升：
they revealed a big rebound in profits for last year.
他们透露去年的利润大幅回升。
1.3
- usu. as modifier the recurrence of a medical condition, especially after withdrawal of medication（尤指停药后病情的）反弹, 复发：
rebound hypertension.
高血压反弹。
短语
on the rebound
1
- in the process of bouncing back after striking a hard surface在反弹中, 在弹回中。
1.1
- while still affected by the emotional distress caused by the ending of a romantic or sexual relationship（失恋后）心灰意懒之余：
I was on the rebound when I met Jack.
正当我因失恋而心灰意懒之时认识了杰克。
词源
late Middle English: from Old French rebondir, from re- 'back' + bondir 'bounce up'.