但是我怕有一天你会因为我德种种缺点而丢下我.用英文怎么说?

应该这样：
But,however,I worried about you would have thrown down me because of my various of flaws one day.

But I feared one day you to be able to throw down me because of myGermany all sorts of shortcomings.

But I fear that one day you'll leave me because of all my shortcomings.