/rɪ'daʊnd; rɪ`daund/
v (phr v) redound on sb/sth (fml 文) come back on sb/sth; rebound or recoil on sb/sth 返回或报应到某人[某事物]上
*Your practical jokes will redound on you/your own head one day. 你那些恶作剧总有一天会使你自食其果. redound to sth (fml 文) contribute greatly to (one's/sb's reputation, etc); promote sth 提高（自己的[某人的]声誉等）; 促进某事物
*Her hard work redounds to her credit/to the honour of the school. 她工作努力从而提高了自己的声誉[为学校增添了荣誉].
* This course of action will redound to our advantage. 这种做法对我们很有好处.

v
[Date: 1300-1400; Language: Old French;Origin: redonder 'to flow back', from Latin redundare, from unda 'wave']
redound to sb's credit/honour etc
formal to improve people's opinion of someone