1.on the outskirts (of) 在城郊
2.owe…to 把…归于…
3.on one's own (=along, without help)单独
4.of one's own某人自己的
5.keep pace with 跟…齐步前进
6.go to great pains=take pains 下功夫,努力
7.put off 推迟,延期;消除;推脱,推辞
8.put on 上演;穿上,带上
9.(put one’s heart into 全神贯注,专心致志)
10.put up 举起,挂起;提名,推荐;陈列
11.put up with 忍受,容忍
12.put through 电话接通