a black hole (a burakku hōru)

Idiom Space

意味

a place or situation where things are lost, never to be found again

物事が失われ、二度と見つからない場所または状況 (monogoto ga ushinaware, nido to mitsukaranai basho matawa joukyou)

例文

"The document I was looking for seems to have disappeared into a black hole."

"私が探していた文書はブラックホールに消えてしまったようです。" (Watashi ga sagashite ita bunsho wa burakku hōru ni kiete shimatta yō desu.)