翻译句子。
1. Nurses do all they can to _______ the patients at ________ (为了使病人感到舒适).
2. 这并不是说他没有幽默感，而是他不想那样做。
________ ________ he has no sense of humor, but that he doesn't want to do that.
3. 为了生存他们必须与天气和野兽抗争。
They had to ________ for their lives ________ weather and wild animals.
4. 为了避免被车撞上， 他不得不来了个急转弯。
To ________ ________ hit by the car, he had to make a sharp turn.