He was repenting rapidly.他很快就后悔了.Repenting of his crime the thief returned the jewels and confessed to the police.那贼对自己的罪行痛悔不已;归还了珠宝并向警方坦白....

v.对（自己的所为）感到懊悔或忏悔( repent的现在分词 )...

repenting的音标：...