He's such a schmuck!

他真蠢！

I played like a schmuck. I am a schmuck. That's how I feel right now.

我表现得像个笨蛋。我就是个笨蛋。这就是我现在的感觉。

Does it say "schmuck" or something?

上面写着“笨蛋”还是什么？

And you became a hero, and I became a schmuck.

这样你就成了英雄，而我成了一个笨蛋。

Ken is a real schmuck. That's why nobody likes him.

肯真是个讨厌鬼，所以没有人喜欢他。