1、After the accident, he went incommunicado for several days, causing worry among his friends and family.
在事故发生后，他与外界隔离了几天，让朋友和家人非常担心。

2、The politician went incommunicado before making a major announcement, leaving journalists scrambling for information.
这位政治家在做重大公告之前与外界隔离，让记者们争相寻找信息。