不识一丁 bùshíyīdīng completely illiterate Origin Definitions Defs Strokes Stroke Words Sentences Sents 不识 不識 bùshí to be ignorant of To not understand or be unaware of something; to fail to appreciate the value or significance of something.一 yī numeral one one; the number 1; single; alone丁 dīng extremely small (bound form) Extremely small; a tiny bit