a sash worn around the waist, especially as part of a man's formal evening suit (尤指男子晚礼服上的)宽腰带
语源
early 17th cent.: from Urdu and Persian kamar-band, from kamar 'waist, loins' and -bandi 'band'. The sash was formerly worn in the Indian subcontinent by domestic workers and low-status office workers