All day he would ask many questions to his boss to learn, to accumulate more and more knowledge, and at night, when no one was looking, he'd put his experience to practice.
하루 종일 사장에게 수 많은 것을 물어보면서 화학 지식을 더 배우고 습득하고 싶어했고 아무도 보지 않는 밤에는, 실험을 하면서 경험을 쌓았죠.