1. He will answer for his mischief.
    他将为他的恶作剧受到惩罚。

2. Her eyes twinkled with mischief.
    她眼睛里闪烁著调皮的光辉.

3. He started training as a cabinet-maker because he was good with his hands; but when he was 20 he went up to London to work under his brother, William, a skilled medical teacher.
    由于手巧，他开始学做桌椅。但20岁那年，他到伦敦，在富有经验的医学教师——哥哥威廉的手下做事。