adj. 做不到的；难到达的
1.There are those who argue that true independent advice is unattainable.
有些人辩称无法获得真正独立的建议。
2."That goal is not unattainable," she adds.
“这一目标并非高不可攀。”她补充道。
3."Do you want fries with that" will no longer be a national punch line but rather an unattainable dream.
“你需要配上炸薯条吗？”这句话将不再是一句民族的妙语，相反，将变成无法实现的梦想。
4.But this is not to say that it is impossibly hard or that successful results are unattainable.
但并不是说这艰难的无法想象，或是无法成功。
5.Break down the apparently unattainable activity to small doable steps.
把显然做不到的事情分成可行的步骤。
6.This looks unattainable: Unesco estimates there will be at least 29 million children out of school by 2015.
看起来这是实现不了的：联合国教科文组织估计，到2015年至少有290万儿童离开学校。