—Mr. Gao I don’t understand the meaning of this new word. —You can the word in your dict

问题补充：

—Mr. Gao, I don’t understand the meaning of this new word.

—You can the word in your dictionary. I believe you can understand it well.

A. look at

B. look for

C. look up

D. look after

答案：

A. look at

B. look for

(答案→)C. look up

D. look after

解析： 根据第一句话的内容的意思为我不理解这个新单词的意思，因此对方给其建议为查···在字典里，故选C，look up 为查···意思，符合题意。