不堪设想 (不堪設想) bù kān shè xiǎng

bù kān shè xiǎng set phrase too horrible to contemplate; unthinkable; inconceivable
Domain: Idiom 成语
Notes: (CC-CEDICT '不堪設想'; CCI '不堪设想', pp. 114-115; Guoyu '不堪設想')