A:Are you a newcomer? 
你是新来的吗？

B:Yeah, this is my first visit here.
是的，这是我第一次访问这里。

A:You speak good English, though. 
但是你的英语说得很好。

B:Thanks, but I speak English with a strong German accent.
谢谢，但是我说英文有很重的德国口音。

A:But let me tell you, you're doing just fine. I couldn't do half as well as you do when I was learning German.By the way,how long have you been learning English? 
但是让我告诉你吧，你做得很好。我在学德语时做得没有你一半好。顺便问一下，你学英语学多久了？

B:On and off, for quite a few years.
断断续续，好几年了。