You are emphasizing the fact that he is not intelligent.
出自-2010年6月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
VERB
強調;重視
To emphasize something means to indicate that it is particularly important or true, or to draw special attention to it.
例句
But it's also been emphasized that no major policy changes can be expected to come out of the meeting...但是也已經強調過，此次會議預計不會帶來重大政策轉變。Discuss pollution with your child, emphasizing how nice a clean street, lawn, or park looks.和孩子討論污染問題，強調清潔的街道、草地或公園有多么美麗。
英英詞典釋義
Noun
1. the act of giving special importance or significance to something