to talk honestly about something you did wrong
诚实地谈论你做错的事情 (cheng shi de tan lun ni zuo cuo de shi qing)
"He decided to speak up about his past mistakes."
"他决定诚实地谈论他过去的错误。" (Ta jue ding cheng shi de tan lun ta guo qu de cuo wu.)
to reduce a student’s grade for an error
to boast in front of someone to impress them
to support financial or business initiatives with funding
to clean a surface by rubbing it with a cloth
to credit progress achieved over time
to avoid or withdraw from a difficult emotional situation