通晓 tōngxiǎo to be proficient in Origin Definitions Defs Strokes Stroke Words Sentences Sents tōngxiǎo to be proficient in 通 tōng adjectiveverb to understand to understand thoroughly; to master a subject or skill晓 曉 xiǎo verb to know to know; to understand; to be aware oftōngxiǎo throughout the night 通 tōng adverbnoun whole whole; entire; throughout a period or area晓 曉 xiǎo verb dawn (bound form) dawn; daybreak; the time at which day first appears