Translation of "Lecture" in Korean

Halfway through my lecture,

제 강의 중간 즈음이 되었을 때

Well, I was getting a little bored with the lecture,

엘리엇의 강의가 약간 지루해질 때쯤

But when I showed up, the lecture hall was cavernous and dark.

그런데 수업에 들어갔더니, 강의실이 휑하고 어두웠어요.