“你听懂我刚才说的了吗？” “嗯哼，我明白了。”

"Did you understand what I just said?" "___Mm-huh, I got it."

他一边看报纸一边敷衍地应着'嗯哼'，显然没在听我说话。

He kept saying ___mm-huh while reading the newspaper, clearly not listening to me.