the Black Hole of CalcuttaˌBlack ˌHole of Calˈcutta, the a small, very crowded room or dark place is sometimes described as being ‘like the Black Hole of Calcutta’. This phrase comes from a small room used as a prison in Calcutta, India where many British prisoners died during one night in 1756. 加尔各答黑〔印度加尔各答的一座小牢房，1756年一夜之间许多英国囚犯死于此地；现喻指狭小拥挤的房间或黑暗的地方〕