1、To investigate, he becomes an undercover agent at the waste disposal station.
為調(diào)查清楚，麥小龍臥底垃圾處理站。

2、Three years ago, a little painting caused big trouble for undercover agent Bob Wittman.
三年前，一幅小小畫作給臥底特工鮑勃·惠特曼帶來了 * 煩。

3、This report is from an undercover agent and it's authentic.
這是一個臥底特工的報告，很可靠。