K-4:keep bach 过单身生活
A:I haven't met Bob for years. How is he?
A:我很久没碰到鲍勃了，他怎么样？
B:He has been keeping bach after divorce.
B;他离婚后就一直单身。
A:He would have recovered from the stress and got married again.
A:他本应该摆脱消沉并再婚的。
B:Once bitten, twice shy. He said he would rather keep bach than to live in disgust.
B:一朝被蛇咬，十年怕井绳。他说宁愿单身也不愿意生活在痛苦中。
