Man is fighting a battle against dirtying.

人类正在与污染进行着斗争。

Man is fighting a battle opposition dirtying.

人类正在与污染进行着斗争。

Now that the basic texture is done, lets start dirtying it up.

现在基本的材质完了，让我们给他做的旧一点。

Even if you are prone to dirtying your hands, ensure they are properly washed, and the nails filed before you meet your lady.

即便你的手很容易弄脏，在你和你的女人见面之前，你也最好确保它们都洗干净修剪好。

What Robert Blackwill has stated is just a repetition of the usual US trick by planting seeds to grow its own success without dirtying hands.

Robert Blackwill发表的言论不过是美国管用的伎俩，种地，收获，还不脏自己的手。