unthinkable

详细解释:a. 不能考虑的, 不能想像的, 想像不到的, 不合理的
相关词组:
It seems unthinkable that...

词型变化：

副词:unthinkably名词:unthinkability

英语解释：

形容词 unthinkable:

incapable of being conceived or considered

例句：

Raising taxes was politically unthinkable.增加税收在政治上来讲是不能考虑的