夢の夢

dream within a dream; (beyond) one's wildest dreams; entirely unrealizable dream; pie in the sky

怪

かい

mystery, wonder

夢

ゆめ

dream

怪中の怪

かいちゅうのかい あやなかのかい

mystery of mysteries

奇奇怪怪

ききかいかい

very strange, bizarre, weird, mysterious

夢のまた夢

ゆめのまたゆめ

beyond one's wildest dreams, dream within a dream

夢の中の夢

ゆめのなかのゆめ

A Dream Within a Dream (1849 poem by Edgar Allan Poe)

幽怪

ゆうかい

ghost, apparition, spirit

怪腕

かいわん

remarkable ability, amazing ability

怪雨

かいう

rainfall of a strange, dark color (colour), whirlwinds accompanied by rain which also drops strange objects such as fish

女怪

じょかい

female ghost, female apparition, female monster

怪異

かいい

strangeness, mystery

怪力

かいりき

superhuman strength

怪演

かいえん

eerie yet strangely fascinating performance

怪猫

かいびょう

monster cat, cat with magical powers

怪死

かいし

mysterious death

怪童

かいどう

unusually large or strong youth

怪奇

かいき

bizarre, strange, wonderful, weird, outrageous

怪事

かいじ

mystery, strange event, mysterious affair