1ADJ-GRADED [usually ADJ n](改变)巨大的,重大的;(任务)庞大的,艰巨的 You can use mammoth to emphasize that a task or change is very large and needs a lot of effort to achieve. (改变)巨大的,重大的;(任务)庞大的,艰巨的 [emphasis]
...the mammoth task of relocating the library.
图书馆搬迁的艰巨任务
You can only undertake mammoth changes if the finances are there.
资金到位的情况下方可进行重大变革。
This mammoth undertaking was completed in 18 months.
2N-COUNT 猛犸,毛象(一种史前动物) A mammoth was an animal like an elephant, with very long tusks and long hair, that lived a long time ago but no longer exists. 猛犸,毛象(一种史前动物)