1那本词典是图书馆的
(1) That dictionary belongs to the library
(2)That dictionary is possessed by the library
2.你是这里的负责人吗?（in charge）
Are you the person in charge here?
Are you in charge here
Are you the person who are in charge here
3我们对他们的研究评价很高（think highly of）
We think highly of their researches
Their researches are thought high of by us
4.怎么处理这个难题?（deal with）
How did you deal with this difficult problem
How to deal with this puzzle
How to deal with the difficult problem?