After I finish my homeword, I usually watch TV for half an hour or so.
我做完作业后,通常看半个小时的电视。
He who purposes to be an author, should first be a student.
想当作家,相当学生。
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.