1. betray one’s duty：背板某人的职责，尽到某人的职责

e.g. He admitted that he hadn't betray his duty.

他承认他没尽到自己的责任。

e.g. He has to betray his duty before he dies in comfort.

他要履行好自己的职责后才能安然死去。

2. save one’s money：省钱，节约钱

e.g. I shall have to save my money toward the my son’s education.

我将不得不为了儿子将来的教育存钱。

e.g. Mary has saved his money for my college tuition since she was 13 years old.

玛丽13岁开始就存钱，为了缴纳自己上大学的学费。

3. in black：穿着黑色衣服

e.g.The photo shows her dressed in black.

在这张照片里, 她穿着黑衣服。

e.g.Madame Lamotte was in black with touches of lilac colour.

拉摩特太太穿的黑衣服，加上一点淡紫的点缀。

e.g.All of the mourners were dressed in black.

所有哀悼的人都穿着黑衣服。

e.g.They were all dressed in black.

他们全穿着黑衣服。

4. the sort of：那种......

e.g. That's just the sort of thing I want.

那正是我所需要的那种东西。

e.g. He's not the sort of man who would go back on his word.

他不是那种会食言的人。

e.g. The sort of goods advanced in prices.

这种货的价格上涨了。

e.g. He cultivates the sort of people who can be useful to him in his business.

他结交对他的事业有用的人。

5. in one’s favor：对某人有利

e.g. He could swing things round again in his favor.

他能把事情逆转过来，使之重新对自己有利。

e.g. He cajoled his friends into deciding in his favor.

他劝诱朋友们作出对他有利的决定。

e.g. The arguments are overweighted in his favor.

议论偏向对他有利。

e.g. The case went in his favor.

他官司打赢了（这案件判决他胜诉）。