写字楼 xiězìlóu HSK6 office building Origin Definitions Defs Strokes Stroke Words Sentences Sents 2 sentences 他在那栋写字楼上班。 tā zài nà dòng xiězìlóu shàngbān. He works in that office building. Source: Dong Chinese Dictionary他在写字楼负责保洁工作。 tā zài xiězìlóu fùzé bǎojié gōngzuò. He is in charge of cleaning in the office building. Source: Dong Chinese Dictionary