“你喜欢这部电影吗？”“嗯哼。”他点头表示赞同。

"Do you like this movie?" "___Um-huh," he nodded in agreement.

我在电话这头不时发出嗯嗯声，表示我正在听她说话。

I kept saying "___Um-huh" on the phone to show I was listening to her.