一干 yīgān all those involved Definitions Defs Origin Strokes Stroke Words Sentences Sents yīgān all those involved 一 yī numeral whole whole; entire; throughout; all干 gān group a group or gang of people (often used for a related set of individuals)yīgān one thousand 一 yī numeral one one; the number 1; single; alone干 gān group a group or gang of people (often used for a related set of individuals)