防弹背心 fángdànbèixīn bulletproof vest Origin Definitions Defs Strokes Stroke Words Sentences Sents 防弹 防彈 fángdàn noun bulletproof to be bulletproof; bulletproof; shellproof背心 bèixīn noun vest sleeveless garment, such as a vest, waistcoat, singlet, or tank top