两男生对唱的英文歌曲有很多，以下是一些适合的选择：

"My Love" - Westlife

"As Long As You Love Me" - 后街男孩

"Take Me To Your Heart"

"You Are Not Alone"

"Seasons In The Sun" - Westlife

"Love To Be Loved By You"

"Cry On My Shoulder"

"Five For Fighting - Tuesday"

"Don't Wanna Know" - Maroon 5/Kendrick Lamar

"Here I Am" - Air Supply

"Around the World" - ATC

这些歌曲都是两男生对唱的英文经典，适合不同的场合和音乐风格。希望这些建议对你有所帮助!