chastening
adjective /ˈtʃeɪsnɪŋ/
  /ˈtʃeɪsnɪŋ/
- making somebody feel sorry for something they have done
使内疚;使懊悔 - It was a chastening experience.
那是一次让人接受磨炼的经历。  - She gave them a chastening lecture.
她给他们做了一次令他们深感汗颜的演讲。  - The party suffered a chastening defeat in the elections.
该党在选举中惨败。  - It is chastening to remember that this happened only 20 years ago.
想起这件事发生在20年前,真是令人痛心。  
 - It was a chastening experience.