背影杀手 (背影殺手) bèiyǐng shāshǒu

bèiyǐng shāshǒu set phrase somebody who looks stunning from behind; somebody who has a great figure but not necessarily an attractive face
Domain: Idiom 成语
Notes: (CC-CEDICT '背影殺手'; Guoyu '背影殺手'; Wikipedia '背影杀手')