One way to hold this word: you are standing in exactly the same spot as a moment ago, and nothing around you has moved, but the arrow that told you which way is which has gone. Fog covers the ridge, or six station exits all look alike, and suddenly you cannot say which direction you came from. Nothing is wrong with you and nothing is wrong with the place. What has dropped out is the line between you and the world that let you point.
可以想成你還站在剛才那個位置上，周圍什麼都沒有移動，但那支告訴你「哪邊是哪邊」的箭頭不見了。霧蓋住了稜線，或者車站六個出口長得一模一樣，你突然說不出自己是從哪一邊來的。你沒有問題，那個地方也沒有問題。掉的是你和外面之間那條讓你指得出方向的線。這個字的兩個意思，都可以想成那條線斷掉的樣子：一個斷在方位上，一個斷在整個狀況上。
From the word’s history
The word is dis- plus oriented (or disorient plus -ed). Dis- takes something away, so the word literally says that the orientation has been removed.
這個字由 dis- 加 oriented 組成（也可以看成 disorient 加 -ed）。dis- 表示拿掉，所以字面說的就是「方向被拿走了」。
Wiktionary, "disoriented"
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