a pat on the back

phr

• ① 【口】称赞;恭喜;鼓励<for>
  • He needs a pat on the back.他需要鼓励。
  • I'll give him a pat on the back.我会给他称赞。
  • She got a pat on the back for her performance.她由于她的表现而获称赞。