胸无点墨 (xiōng wú diǎn mò) | Meaning: unlearned | Chinese Idiom with Pinyin & Origin

lit. the eye cannot recognize the letter T (idiom); totally illiterate目不识丁mù bù shí dīng

without learning or skills (idiom); ignorant and incompetent不学无术bù xué wú shù

as empty as anything (idiom); completely bereft · to have nothing · vacuous · hollow · empty (argument, head etc)空空如也kōng kōng rú yě

ignorant · ignorance无知wú zhī

unlearned · completely illiterate · unlettered