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

—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 atB.look forC.look upD.look after

C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。

这个答案应该是对的