If something disorients you, you lose your sense of direction, or you generally feel lost and uncertain, for example because you are in an unfamiliar environment.
例句
An overnight stay at a friend's house disorients me...在朋友家过夜让我觉得晕晕乎乎的。They were disorientated by the smoke and were firing blindly into it.他们在烟雾中迷失了方向，向里面胡乱射击了一通。
英英词典释义
Adjective
1. having lost your bearings; confused as to time or place or personal identity;
"I frequently find myself disoriented when I come up out of the subway""the anesthetic left her completely disoriented"
2. socially disoriented;
"anomic loners musing over their fate""we live in an age of rootless alienated people"