听错

He answered in such an offhand manner that I wondered if he’d misheard me.

他如此满不在乎的回答疑他是不是听错了的话。

Imaginably, when someone is saying in the second language, the percentage of misunderstanding or being misheard would be soaring up.

可以想象，当一个人讲第二语言时，误解听错的百分比将会急剧上升。