I am studying two majors, and it's quite a burden on my time.
我有两门主修课,这占据了我很大一部分时间。
He insisted that we all be in his office at one o'clock.
他要求大家一点钟到他的办公室。[大学英语四级]
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.