2. Studies of Olympic athletes, world-class musicians and chess masters show that their common trait is the ability to motivate themselves to pursue harsh training routines. 对奥运选手、世界级的音乐家和国际象棋大师的研究表明,他们的共同特点就是具有促使自己坚持艰苦的日常训练的能力。
3. Late autumn contains intimations of a harsh winter to come. 萧瑟深秋预示寒冷的冬天即将到来。