1. sake缘故for the sake of = for one's sake 为了…缘故They fought for the sake of their country.
2. satisfy 使满意 be satisfied with satisfy one's needs 满足…需要
3. scarce 缺乏的 This book is scarce. It was wartime and food is scarce.
4. scare 惊吓 scare sb to death 使…吓死
5. scene 现场；布景 on the scene = on the spot 在现场 behind the scenes 秘密地，幕后地
