1·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。
2·Very hard (very strenuous, and you are very fatigued)
非常辛苦 (非常艰苦，感觉非常疲劳)
3·If you wait until you're very fatigued, you'll end up walking slowly and it will be difficult to start running again.
如果你等到你已经非常疲劳的时候，结束的时候一定要慢慢地步行，同时如果从先再开始跑也会是很困难的。
4·If you are chronically fatigued, it may be a symptom of hypothyroidism.
如果你感到慢性疲劳，这也许是甲状腺机能减退的征兆。
5·The people with the gene variant were sleepier and more fatigued whether they were fully rested or sleep-deprived, and their sleep was more fragmented.
携带变异基因的人无论是得到充分休息还是被睡眠剥夺都是昏昏欲睡且更疲劳，睡眠时断断续续的多些。