一行 yīhángyīxíngyīxìng HSK6 a line Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: profession All meanings 4 yīháng 4 a line 3profession 1 1 sentence for 一行 (yīháng — profession) 我已经干这一行几十年了。 wǒ yǐjing gàn zhè yīháng jǐ shí nián le. I've been in this business for decades. Source: OpenSubtitles