打腫臉充胖子

1. • lit. to swell one's face up by slapping it to look imposing (idiom) to seek to impress by feigning more than one's abilities

Character by character

• 打(dǎ)a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings
• 腫(zhǒng)swell
• 臉(liǎn)face
• 充(chōng)sufficient
• 胖(pàng)fat
• 子(zi)noun suffix, as in 椅子 yǐzi "chair"