失去联系：无法与某人或某物保持联系或沟通。
... come in contact with接触，碰上 out of contact推动联系，没有接触 on the contrary与此相反，正相反 ...
脱离
My father and his friend have been out of contact with each other for nearly 30 years.
我爸爸和他的朋友已经有30多年没联系了。
I have been out of contact with her for three years.
我与她失去联系已有三年。
They have been out of contact for days. Every time she logged on to MSN, she found him off-line.
他们失去联系好几天了。每次她上msn，他都不在线。
"Many of the fans that I came in contact with, they were so mellowed out, you could feel there was real joy,"
VOA : standard.2009.08.15
So, again, I want to stress you have the option of staying anonymous in this class, but you also have the option of seeking out and making some sort of contact with us.
那么,我再强调一遍,你们可以选择在这门课上默默无闻,但是你们也可以选择站出来,跟我们多多接触
心理学导论课程节选 : 耶鲁公开课
Some witnesses suggest that there were other reasons why he was out of contact.
FORBES: WikiLeaks' Assange Loses Extradition Hearing, Expected To Appeal
"Will be riding my bike in other countries and out of contact for 4 months!"
Contrast the Mundugamor, whose babies are carried in baskets, out of contact.