新视野大学英语4课后练习及答案翻译(22)

1. Although it is painful to watch him struggling with the difficulty, it is probably better to stay on the sidelines unless he asks for help.
虽然看着他与困难斗争很痛苦，但除非他寻求帮助，否则你最好袖手旁观。
2. An anonymous letter alert the police to the possibility of a terrorist attack at the airport.
一封匿名信提醒警方机场可能发生恐怖袭击。
3. We had never thought people would be interested in the house, so we were quite surprised that more than a hundred people turned up at the auction.
我们从没想过会有人对这所房子感兴趣，所以当有一百多人参加拍卖时，我们感到很惊讶。
4. Almost two years had passed since the enemy first tried to lay siege to the town, but instead of being taken over, the town seemed as strong as ever.
自从敌人第一次试图围攻这个城镇以来，差不多已经过去两年了，但是这个城镇非但没有被占领，反而显得和以前一样强大。
5. As was shown in the study, when parents showed feelings of despair, their kids followed to and acted in the same way.
正如研究显示的那样，当父母表现出绝望情绪时，他们的孩子也会效仿，并以同样的方式行事。
6. In the face of growing alarm about the abuse of research data, scientists from around the world met to discuss how to supervise their own research.