不可想象bù kě xiǎng xiàng

contrary to all reasonable expectations; impossible to conceive;inconceivable; it is not to be imagined that…；unimaginable; unthinkable
❍ 这样的事，在旧社会里简直～，而在这里却是个事实。(爱新觉罗·溥仪《我的前半生》532) This would have been inconceivable in the old society,but now it was a fact.