supple: stresses flexibility of muscles and joints and perfect coordination, ease, and rapidity in movement: the light ~ spring of a cat.


limber: implies flexibility and ease and quickness in moving but does not stress excellence of coordination or grace: her long ~ fingers moved over the keyboard.    (grace优美优雅: simple elegance or refinement of movement动作简单精致，如the gymnast performed on the balance beam with an easy grace体操运动员在平衡木上表演得优美自如)    grace还表示礼貌善意恩典，请注意grace和elegance互释，都表示优雅，优雅的意思是简单精致being simple and refined。


lithe: suggests a slender supple body and nimble graceful movement: the ~ form of a tiger.   （nimble动作轻快light and swift,如a nimble tennis player动作轻快的网球运动员）


lithesome: may suggest a strength and vigor that make for sure graceful movement: drew back the bow with a single ~ effort.


lissome: implies light easy supple grace in bearing or movement: ~ as a bird in flight.     (bearing姿态举止usually implies characteristic posture常表示姿态姿势,如a woman of regal bearing举止高贵的妇女，regal皇家的)   


supple灵活优美: 表示身体灵活(肌肉关节)，动作优美(协调轻松迅速)，limber灵活轻快: 也表示动作灵活轻快，但不表示协调优美，lithe也是灵活优美: supple加苗条(slender)，lithesome也是灵活优美: 和lithe同义，暗示有活力动作沉稳(sure)，lissome轻松优美: 表示姿态动作轻松优美


记忆方法: 1) 首字母SLLLL的4个L想成light轻，S想成speedy快<==轻快

                2) 轻快的意思是动作轻松自如mean showing freedom and ease in bodily movement.首字母SLLLL的4个L想成light轻，S想成speedy快<==轻快