汗背心 Traditional form: 汗背心 Pinyin (reading): hànbèixīn Definitions: tank top sleeveless undershirt Characters: 汗 - perspiration, sweat 背 - back, backside; to betray, to violate 心 - heart; mind; soul Traditional characters: 汗 - perspiration, sweat 背 - back, backside; to betray, to violate 心 - heart; mind; soul