1.I kept a tenuous connection with the History School , wrote my two essays a week , and attended an occasional lecture .
我和历史学院保持着若即若离的联系，一周写两篇论文，听听临时讲座。
2.reveals how a word can be transferred from one sphere of activity to another while retaining only a tenuous connection with its past.
单词cable的历史表现出一个单词在与其过去的含义仅保持微弱联系的情况下，如何能够从一个使用范围转向另一个范围。
3.Several times in my life, a tenuous connection was strengthened by the exchange of Christmas cards and letters.
在我的生活中，圣诞贺卡和信件的交流曾几次令脆弱的联系变得紧密起来。