enormity
noun uk/ɪˈnɔː.mə.ti/ us/əˈnɔːr.mə.t̬i/
(SIZE)
[ U ]巨大；严重性；深远影响
very great size or importance
Nobody fully understands the enormity and complexity of the task of reviving the country's economy. 没人完全认清复兴该国经济这一任务的艰巨性和复杂性。
I don't think you realize the enormity of the problem. 我觉得你没有真正意识到问题的严重性。
(EVIL ACT)
[ C or U ] formal滔天罪行;罪大恶极
an extremely evil act or the quality of being extremely evil