1：we must thank him for all his kindness
2：she's outside,working on the car
3：Through years of hard work,he has finally built up a good name for himself in the scientific field.
參考答案:1：we must thank him for all his kindness
我们必须感谢他的一番好意。
2：she's outside,working on the car
她身在外地，从事汽车行业。
3：Through years of hard work,he has finally built up a good name for himself in the scientific field.
历经多年的辛勤工作，他终于在科学界里为自己博得了不错的声誉。