I owe them a debt that cannot easily be repaid.我欠他们一笔钱，不容易偿还。Dr. Dell provided the money, and Dr. Bethune listed the amounts, to be repaid in full.德尔大夫供给他钱, 白求恩大夫记下数目, 好在日后全部还清.The business quickly repaid the initial out...
The insomniac is habitually afflicted with wakefulness at times when he wishes to sleep.失眠症患者,这种病人在他想睡觉时经常特别清醒.There's no snake known that will habitually attack human beings unless threatened with its life...除非自己的生...