31) in a way：在某种程度上
e.g. In a way, it is an important book.
in the way：妨碍，挡路
I will visit you next weekend if there is nothing in the way.
32) in black：穿黑色衣服
e.g. Arabian women are always dressed in black clothes.
in the black：赢利，赚钱
New production methods put the company in the black.
33) in charge of：负责
e.g. Who is in charge of this work?
in the charge of：照护
e.g. The patients are in the charge of the nurse.
34) in hand：控制
e.g. There was a little rioting, but the police soon had the situation in hand.
hand in：递交，交给
e.g. He handed in his resignation in protest against it.
35) in one’s honor：向……表示敬意或感谢
e.g. The day was kept as a holiday in honor of victory.
on one’s honor：用人格担保
e.g. We were on our honor not to cheat on the exam.
36) in possession of：占有
e.g. He is in possession of this house.
in the possession of：被占有
e.g. The keys are in the possession of the door keeper.
37) in spirit：在内心，在精神上
e.g. In spirit, at least, these laws were very fair.
in spirits：情绪或心情（好、坏等）
e.g. He is in poor spirits because of his failing in the exam.
38) keep up：继续，保持
e.g. They entered into a correspondence which was kept up for almost ten years.
keep up with：与……齐步前进，跟上
e.g. With their help, he has kept up with the class.
39) look about：环视
e.g. He looked about him with great interest.
look about for：四处寻找
e.g. She was looking about for the key she had just lost.
40) look up：向上看
e.g. He looked up and nodded to me.
look up to：尊敬
e.g. It must be rewarding to be looked up to by so many people.