I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
He jests at scars, that never felt a wound.
富人不知穷人苦。
The guests had, of course, realized this from the moment Bessie opened the door for them and, long before the final catastrophe, had had a difficult time trying to conceal their amusement.