A: Have you talked to Mr. Lambert about Ian's obscene speech towards you?
A: 你跟 Lambert 先生提過 Ian 對你講的猥褻的話嗎?
B: Yes, but he brushed it off as if it were not a big deal to him.
B: 有! 但他輕輕帶過(不理), 好象他覺得那并沒有什么!
"brush away(aside)" 也是「不理」的意思。如"He brushed aside our objection."(他無視我們的反對)。