28.dead to the world<非正式>熟睡的；失去知觉的；不省人事的
Horace was on the sofa, dead to the world and snoring loudly.霍勒斯在沙发上熟睡, 鼾声大作。
29.to drop dead or to drop down dead
(die suddenly)突然意外死亡；猝死
He dropped dead on his way to work one morning.他在一天清晨上班途中猝死。
30.to drop dead<非正式>(as insult)滚开；去你的；去死吧
75% of the firms he called were hostile and told him to 'drop dead'.他致电的公司中有75%都会态度恶劣地跟他说：“去你的”。
Good morning, Simone, and may I say I've never seen you looking lovelier?— Drop dead!早上好, 西蒙娜, 我觉得你比什么时候都漂亮！——滚开！