Read Edit View history 马甲线 mǎjiǎxiàn toned abs Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 马甲线/馬甲線 · mǎjiǎxiàn · toned abs 2026/03/04 马甲线 / 馬甲線 mǎjiǎxiàn toned abs (neologism c. 2013) (coll.) vertical groove visible on either side of the belly in a person with well-toned abs 她每天坚持健身，终于练出了马甲线。 created sense Mar 4, 2026, 02:25 AM