翻译下列短语并完成句子

1. show mercy to /have mercy on _____

2. at the mercy of _____

3. beg/ask for mercy _____

4. It is a mercy that _____

5. The commander____ the prisonersof war.

    司令官对战俘十分怜悯.

6. It was a____that the whole family survived the earthquake.

   这次地震中一家人都幸免于难,真是不幸中之大幸.

7. A sailor is____the weather.

    水手受到天气的摆布.

8. He bent down his knees and____

    他弯下他的膝盖请求宽恕.