第二人

Habit is second nature, so I wanna learn English to become my habit.

惯是人第二天性,所以想让学英语变成惯.

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，误解或听错百分比将会急剧上。