in the dark

Prepositional phrase

idiomatic slang

Used other than figuratively or idiomatically: Without light; somewhere that is dark. / (idiomatic) Without information.

Japanese Meaning

（比喩や慣用句以外に用いられる場合）光のない、暗い場所である状態 / （イディオム的な用法の場合）情報が不足している、または何も知らない状態

She searched for her keys in the dark and finally found them under the couch.

彼女は電気が消えて真っ暗な中で鍵を探し、ついにソファの下で見つけました。

Sense（1）

Used other than figuratively or idiomatically: Without light; somewhere that is dark.

I tripped over his suitcase in the dark.

Sense（2）

(idiomatic) Without information.

Management kept the board of directors completely in the dark.

Sense（3）

(poker slang) Without looking at one's hole cards, thus not knowing what they are.