Sometimes that standard is quite difficult, if not impossible, toachieve.
有时那个标准,即使并非不可能,也是很难达到的。
《柯林斯英汉双解大词典》
2
Peace could come only gradually, in carefully measured steps. Even then, it sounds almost impossibletoachieve.
和平只能以谨慎的步伐逐步到来。即便那样,它听起来还是几乎不可能实现。
《柯林斯英汉双解大词典》
3
Her words taught me even more: perfection is impossibletoachieve in everything; patches are unavoidable, so is human's life, which will appear in the form of wound, disability or disease.