美国，我们不能回头。
我们不能够折回。
我们不能倒退。
我们不能往回旋转。
We cannot turn our back on the world outside.
我们不能不去理睬整个世界。
We cannot turn our backs on Europe, we are part of Europe.
我们不能背弃欧洲，我们是欧洲的一部分。
Therefore, without money we cannot turn admiration into reality.
因此，没有金钱，我们就无法把羡慕变成现实。
This is the scientific method, and once started on this line we cannot turn back.
这是科学方法。一旦开始按照这种方法去做，我们就不能走回头路了。
As a consequence, we cannot turn the statement "energy is conserved" into an absolute statement.
因此，我们不能把语句“能量是守恒的”做为一个绝对的陈述。
We cannot walk alone. And as we walk, we must make the pledge that we shall always march ahead. We cannot turn back.
我们不能单独行动。当我们行动时，我们必须保证勇往直前。我们不能后退。
However, we cannot just turn up and rescue you all as some have believed.
然而，我们不能只是单纯“出现”并“拯救”你们所有，因为一些人相信的。
We cannot make this minority a convenient excuse to turn our backs.
我们不能拿少数这几个人作为一种方便的借口而对此置之不理。
We cannot make this minority a convenient excuse to turn our backs.
我们不能拿少数这几个人作为一种方便的借口而对此置之不理。
应用推荐