vi. 喧闹;忙乱;充满
vt. 使忙碌;催促
n. 喧闹;活跃;裙撑;热闹的活动
bustle 忙碌
来自bust, 同burst, 爆发。
BUSTLE. A pad stuffed with cotton, feathers, bran, &c., worn by ladies for the double purpose of giving a greater rotundity or prominence to the hips, and setting off the smallness of the waist. [Bartlett, "Dictionary of Americanisms," 1848]