1·Wave goodbye to your grandfather.
向爷爷摇手再见。
2·Quietly I wave goodbye to the rosy clouds in the western sky.
我轻轻的招手，作别西边的云彩。
3·We can wave goodbye to the sort of protection that people at work need and deserve.
我们就只能向工作的人所需要且应得的那种保护说拜拜了。
4·All it takes is a tiny hole in an air-tight suit or a window left ajar in a supposedly air-tight lab, and you can wave goodbye to your friends, family and 100 million others.
一件气密防护服哪怕有一个小孔，一间气密实验室的窗户哪怕开一条缝，你的朋友，亲人和地球上的一亿人都有可能丧命。
5·When the last class was over, we all rushed out of the classroom to wave our teacher goodbye.
当最后一堂课结束时，我们都冲出教室，挥手告别老师。
6·If it ends great, it means both of you want more. If it ends otherwise, the next thing to do is to wave goodbye.
如果结束得好，那么它意味着你们两个都想接触的时间更长；否则，接下来要做的事情就是挥手再见。
7·The Iraqi boy, who was perhaps 9 years old, kept running the two and a half miles to the Jumhuriya Bridge, and as I turned to run back on a trail along the Tigris, he dropped off to wave goodbye.
接着我转过身，沿着底格里斯河旁的一条小径往回跑。 他停下来，挥手告别。
8·Now as the title of this post suggests Xcode 3 is not supported on Lion so it is finally time to wave it goodbye.
现在要说的是，就像这篇文章的标题所暗示的那样，Lion不支持Xcode 3，因此这是最终要向它挥手说再见的时候了。
9·I step away softly, just as I creep here quietly I wave gently, sighing goodbye to the western sky.
轻轻的我走了，正如我轻轻的来；我轻轻的招手，作别西天的云彩。
10·So, So, wave your hands and say goodbye to days went away.
于是，于是，还是挥手告别过去的那些日子。