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- “你为什么一定要去呢?”她最后含着怨嗔说。"Why need you go?" said she querulously at length.
- 如果芭比娃娃人缘这么好,你为什么一定要把她的朋友买回家?If Barbie is so popular, why do you have to buy her friends?
- 处事从容不迫些，你为什么一定做每件事都要这么鲁莽呢?Take it gently; why must you go at everything like a bull at a gate?
- "我本以为你要去买东西呢？" "改变主意是女人的特权嘛。""I thought you were going shopping." "It's a woman's privilege to change her mind."
- 你为什么一定要提出钱的问题?Why did you have to bring up the subject of money?
- 你为什么没去呢?Why didn't you go?
- 现在你知道了我为什么一定要去英国，即使那里每天都下雨我也要去。Now you see why I must go to England even if it rained everyday there.
- 你为什么不由他去呢?”狄克说道。"why don't you leave him alone?" said Dick.
- 不管怎样，今晚我要去跳迪斯科舞，无论你是否愿意与我同去。In any event I'm going to the disco tonight whether you want to come with me or not.
- 你为什么一定要和老板大吵大闹?Why should you yell bloody murder to the boss?
- 我要去看电影。你何不和我去呢?I'm going to a movie. Why don't you join me?
- 他们觉得新年传统已经不合时宜，亲戚朋友随时都可以见面，为什么一定要在新年互访?They consider this tradition an anachronism as these social calls can easily be made anytime outside the festival.
- 你为什么要介入他们的争吵呢?Why should you get involved in their fray?
- 我有机会一定要去泰山探胜。If there is a chance, I will go to Mount Tai to visit the wonderful scenic spots there.
- 你为什么不把问题推到他身上去呢?Why didn't you dump the problem in his lap?
- 你为什么要坚持写这些东西呢?Why do you persist in writing these things?
- 天哪!天哪!我一定要去找到威廉。Oh dear! Dear! And I will find Will.
- 为什么一定要把奖杯做成门钥匙，哈利的牙刷难道不也同样有效?Why make the Cup a portkey when Harry's toothbrush would work just as well?
- 你为什么不单独去呢?Why don't you go all by yourself?
- 印度教徒认为一定要去瓦拉纳西。Hindus believe that they must visit Varanasi.
