1. Why is your thumb in bandage?
    你的拇指为什么用绷带包住呢?

2. Why is your thumb in bandage?
    你的拇指为什么用绷带包住呢?

3. They used to suffer for about 37 hours after surgery on average with a plastic tube as thick as a thumb running through their mouth or nose and down 11 inches of their throat.
    过去，手术后病人平均要疼大约37个小时，一根拇指粗细的塑料导管经口腔或鼻腔插入喉咙，深至11英寸。

4. The rule of thumb in such cases is to insist on their use, if you know meters are available.
    遇上这样的情况，如果你知道有计程器，最好的办法就是坚持要求使用。