it is difficult to understand

意思翻译 这很难理解 相似词语短语 difficult to understand───深文奥义；莫测高深；艰深；艰深的 to understand───理解；明白 is difficult───很难 understand───vt.理解；懂；获悉；推断；省略；明白；vi.理解；懂得；熟悉 difficult to keep───难以保存 difficult───adj.困难的；不随和的；执拗的 difficult to do───难以做某事 more...