He drops his voice at a very, very low volume when he wants people to key into him, and those things are the skills that we need for the most engaging teachers.
목소리를 아주 낮게하여 사람들이 귀기울이게도 하죠. 그런 것들이 노력하는 대부분의 선생님들에게 필요한 기술이에요.