fall guy

1. 容易上當受騙的人
2. 替罪羊，替死鬼
   The police arrested a fall guy. The real crooks are still free.

   警察逮到一個替死鬼。真正的歹徒仍逍遙法外。

   He was a very unpleasant person-he would always use his friend Peter as the fall guy if things went wrong.

   他這人很可惡，出了岔子總是拿他的朋友彼得當替罪羊。

regular guy

1. 好人
   You'll like Tom. He's a regular guy.

   你會喜歡湯姆的。他人很好。

tough guy

1. 硬漢子
   He was the tough guy, the big shot, who gave orders with the crack of a whip.

   他是個硬漢，是個揮著鞭子發號施令的大人物。

wise guy

1. 自作聰明的人；自命不凡的人
   Bill is a wise guy and displeases others by what he says.

   比爾自命不凡，說的話讓人生氣。