[zhān zhān zì xǐ]
pleased with oneself; grandiose; pat oneself on the back; play the peacock; priggish hug oneself on [for; over]; self-contented; smug; well-satisfied; feel complacent
Don't be complacent over occasional success.; Don't feel self-satisfied over a minor success.
不要沾沾自喜于一得之功。