slap one’s face until it’s swollen in an effort to look imposing—puff oneself up to one’s own cost
打肿脸充胖子
slap one’s face until it’s swollen in an effort to look imposing;try to look fat by slapping one’s face till it’s swollen;do sth beyond one’s means in order to look impressive
打肿脸充胖子dǎ zhǒnɡ liǎn chōnɡ pànɡ zi
比喻没有什么本事，却硬要冒充有本事。puff oneself up to one’s own cost, glory in one’s braggart after suffering defeat