一经 yījīng HSK7 once Origin Definitions Defs Strokes Stroke Words Sentences Sents yījīng once 一 yī adverb [as soon as] Used to show that as soon as one action or situation happens, another follows immediately.经 經 jīng verbpreposition to pass through to pass through; to undergo; to experienceyījīng a classic 一 yī numeral one one; the number 1; single; alone经 經 jīng nounadjective classic classic; scripture; sacred book; religious or authoritative canon