noun which may take the genitive case particle 'no', noun
totally at a loss; in a fog; bewildered
Describes a state of complete confusion or disorientation, as if lost in a thick fog. Often used in the phrase 五里霧中に陥る (to be thrown into confusion).
突然のトラブルで、チームは五里霧中に陥った。
The team was thrown into total confusion by the sudden trouble.
彼の説明は難しくて、五里霧中の状態だ。
His explanation is so difficult that I'm completely at a loss.