丁一确二 dīngyīquè'èr exact Origin Definitions Defs Strokes Stroke Words Sentences Sents 丁 dīng fourth The fourth of the ten heavenly stems, 天干 tiāngān; also represents the fourth in a sequence, grade, or level.一 yī numeral one one; the number 1; single; alone确 確 què adjectiveverb true (bound form) true; authentic; reliable; matching the facts二 èr numeral two the number two; 2