Dulling
n. 發暗；失光；遲鈍
? 同義詞
??? 情景例句
I can see that you've done this before.
我發覺你曾干過此事。
My brother gets up later than I do.
與我做比，我的兄弟晚起床。
Thank you for you cooperation.
謝謝你們的合作。