同样如果你没有准备去改变一些必要的生活方式，手术很有可能只是白费时间和金钱而已。
If you are not prepared to make the necessary lifestyle changes as well, then surgery is likely to be a waste of your time and money.
不过，幸好没有误了时间，否则我花了很长时间的精心打扮就白费了。
Fortunately, however, no missed the time, I spent a long time to dress up is wasted.
从看视频到做电路板，再到给它写程序，林海花了整整一个月的时间，最终发明出“酷乐宅”。他的努力没有白费。
From watching the video to building an electronic board and writing a program for it, Lin spent an entire month bringing Crazyer to life. His hard work paid off.
主人家预备了最好的地方，选择了最适当的时间，但竟然一个来宾也没有，岂不是白费了他的一片苦心！
What a terrible waste for the host to prepare the finest of places and the best of times and yet to have no one show up!
“他的法语很好”“是啊，那些年来他一直勤奋学习，时间并没有白费”？
"His French is very good." - "Yes; it is [was] not for ~ that he spent all those years studying.".
主人家预备了最好的地方，选择了最适当的时间，但竟然一个来宾也没有，岂不是白费了他的一片苦心！
There are no party-goers. What a terrible waste for the host to prepare the finest of places and the best of times and yet to have no one show up !
主人家预备了最好的地方，选择了最适当的时间，但竟然一个来宾也没有，岂不是白费了他的一片苦心！
There are no party-goers. What a terrible waste for the host to prepare the finest of places and the best of times and yet to have no one show up !
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