Daily Chinese Idiom Guessing Game
Too dreadful or disastrous to imagine; unthinkable.
未来情况不能想象。指预料事情会发展到很坏的地步。
清·曾国藩《复吴南屏书》纵使十次速灭,而设一次迁延,则桑梓之患,不堪设想。”
The consequences of a nuclear war are unthinkable.