full of oneself (fūlù ōf wánsèlǐfū)

Idiom Confidence

含义

to be overly proud or self-confident

过于骄傲或自信 (guò yú jiāo ào huò zì xìn)

例句

"He’s so full of himself after getting that promotion."

"他在获得晋升后变得如此自大。" (tā zài huò dé jìn shēng hòu biàn dé rú cǐ zì dà)