rabbit hole

Noun

usually with article broadly

Used other than figuratively or idiomatically: see rabbit, hole. (The entrance to) a rabbit warren or burrow. / (usually with article) A bizarre world, where everyday rules do not apply.

Japanese Meaning

ウサギの巣穴、あるいはウサギの穴（実際にウサギが住む場所） / 比喩的表現として、常識が通用しない奇妙な、または非現実的な世界・状況

What is this buttons?

The children watched as a rabbit disappeared into a rabbit hole beneath the hedge.

Google Translation / DeepL Translation

子供たちは生け垣の下にあるウサギの巣穴の入口にウサギが消え入るのを見ていた。

Details

Sense（1）

Used other than figuratively or idiomatically: see rabbit, hole. (The entrance to) a rabbit warren or burrow.

The rabbit-hole went straight on like a tunnel for some way, and then dipped suddenly down, so suddenly that Alice had not a moment to think about stopping herself before she found herself falling down what seemed to be a very deep well.

Google Translation / DeepL Translation