我们在某个场合突然间碰到好长时间不见的朋友可以这样表达：
What a surprise! 真实意外啊！
What a coincidence! 真是巧啊！
It's been a long time!好久不见了！
It's been such a long time!好久不见了！
It's been too long!时间太长了！
Long time no see!好久不见！
I haven't seen you in ages.我好久没有见到你了。
I haven't seen you in a long time.我好久没有见到你了。
对话：A:Hi!Bob.What a surprise! Long time no see!
嗨！鲍勃。真是意外啊！好久不见了。
B:Hi, Dale. What a coincidence ! It's been such a long time!
嗨！戴尔。真是巧啊! 真是好长时间了。
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