Then why think about it, why worry?
那为什么还想它呢，为什么担心呢？
Why think? Why not try the experiment?
干吗要想？为什么不做这个实验？
If you don't want to tell us tonight - why - think them over and come and tell us in three or four days.
如果大伙儿今天晚上不想说，那也没啥，回去再好好想想，过个三、四天以后再来谈也行。
If you don't want to tell us tonight - why - think them over and come and tell us in three or four days.
如果大伙儿今天晚上不想说，那也没啥，回去再好好想想，过个三、四天以后再来谈也行。
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