在線 zàixiàn HSK7 online Definitions Defs Origin Strokes Stroke Words Sentences Sents zàixiàn online · to be on line 在 zài preposition to be at To be located at, in, or on; to be present or at home.线 線 xiàn noun route route; transport line; physical pathzàixiàn to be on point 在 zài preposition to be at To be located at, in, or on; to be present or at home.线 線 xiàn nounverb political line (political) line; a person's position or role in a specific field of work (e.g. frontline)