schmuck

1. N-COUNT If you call someone a schmuck, you mean that they are stupid or you do not like them. 笨蛋[美國英語] [非正式]

I played like a schmuck. I am a schmuck. That's how I feel right now. 我表現得像個笨蛋。我就是個笨蛋。這就是我現在的感覺。