1. The parents agree in writing to meet monthly in one of 20 regional groups, go to a yearly three-day regional retreat, and spend at least three times a year in workshops, discussion groups and seminars at Bath.
    家长签约同意每月出席一次区小组会议（共20个区小组），每年去区休养所三天，每年至少参加三次巴思市的研修班、讨论组和研讨会。

2. He was glad to get away with a mere twenty pounds and he beat a hasty retreat, clutching the precious bottle under his arm.
    他庆幸自己只破费了20英镑便得以脱身。他把那宝贵的瓶子放在腋下夹着，溜之大吉。

3. My father is excited by this story, but I retreat into an even more determined silence.
    我爸爸听了这个故事感到兴奋不已，而我则越发往后退缩，更加下定决心保持沉默。

4. I retreat into sleep; I sleep through the day and the night, and my parents can't shake me out of it.
    我又蒙头睡觉,从早睡到晚，连父母都无法把我从睡梦中摇醒。