1. Climbing the mountain fatigued the whole scout troop. 爬山使整个侦察连感到疲劳。
2. We are more likely to lie, research shows, when we are able to rationalise it, when we are stressed and fatigued or see others being dishonest. 研究表明，当我们能够合理解释谎言，当我们压力大、疲劳或看到别人不诚实时，我们更有可能撒谎。
3. They are alert at bedtime and sleepy when it is time to get up, and this may have nothing to do with how fatigued their bodies are, or how much sleep they must take to lose their fatigue. 他们在睡觉的时候很清醒，到了该起床的时候很困倦，这可能与他们的身体有多疲劳，或者需要多少睡眠才能消除疲劳无关。
