居功自傲

jūgōngzì'ào

to claim credit for oneself and become arrogant

Wiktionary

Homographs

居功自傲 jūgōngzìào satisfied with one's accomplishment and arrogant as a result (idiom); resting on one's laurels and despising others

Entry Composition

1 居功 jūgōng to claim credit for oneself
=2 自傲 zìào
  1. arrogance
  2. proud of sth
=2 自傲 zì'ào arrogant