bareback

adj, adv on a horse without a saddle 不用马鞍（的）: a bareback rider 不用马鞍的骑手 * ride bareback 骑马不用马鞍.

barb, barbarian, barbaric, barbarically, barbarism, barbarity, barbarize, barbarise, barbarous, barbarously, barbarousness, barbecue, barbed, barber, barber's pole, barber-shop, barbiturate, barcarole, bard, bardic, bare, bareface, barefaced, barefoot (also barefooted), bareheaded, barelegged, barely, bareness, Barents, bargain, bargain counter, bargain hunter, bargain-hunter, bargaining, bargaining counter, bargaining position, barge, barge-pole, bargee, bargemaster, baritone,