1
- a check or restraint on something控制, 约束, 抑制：
plans to introduce tougher curbs on insider dealing
对内幕交易进行更严格控制的方案。
2
- （亦作curb bit）a type of bit which is widely used in western riding. In English riding it is usually only used with a snaffle as part of a double bridle马勒, 马衔, 马嚼子。
4
- a swelling on the back of a horse's hock, caused by spraining a ligament（马的跗关节后部因扭伤韧带引起的）硬瘤。
with obj.
1- restrain or keep in check抑制, 控制, 约束：
she promised she would curb her temper.
她答应会控制自己的脾气。
1.1
- restrain (a horse) by means of a curb勒住（马）。
词源
late 15th cent. (denoting a strap fastened to the bit)： from Old French courber 'bend, bow', from Latin curvare （see CURVE）.