C2 (由于做了蠢事或错失机会而)懊恼,自责
used to say that you are very annoyed with yourself because you have done something stupid or missed a chance
  When I realized what I'd done I could have kicked myself. 当我意识到自已的所作所为,不禁懊恼不已。 
 They must be kicking themselves for selling their shares too early. 他们一定为过早抛出股票而懊恼不已。 
 I'm kicking myself for not working this out earlier.
 Now that we have a boat, we're kicking ourselves that we didn't get one years ago.
 As soon as she'd said it, she could have kicked herself.
 See also: kick verb