Definition
to temporarily lose focus and become oblivious to your surroundings.
注意力不集中，恍神
During the meeting, I zoned out and completely missed any discussion.
在会议期间，我走神了，完全错过了任何讨论。
She zoned out in class, her mind wandering to weekend plans.
她在课堂上走神了，思绪飘到了周末的计划。
I often zone out while watching TV, completely unaware of what's happening.
我经常在看电视时走神，完全不知道发生了什么。