wasted

adj.

（常指因病而）憔悴的，疲惫不堪；徒劳的；无用的；

wasted energy损失的能量

1. I felt chagrined at the wasted effort.
   我为浪费了精力而感到懊恼。
2. She's wasted in her present job.
   她做现在的工作屈才。
3. His body was wasted by long illness.
   他久病体弱。

1. I've wasted an entire day on this.
   我为此事浪费了一整天的时间。
2. Joe wasted a tot of time before he got down to work.
   乔在静下心开始工作之前总要浪费许多时间。

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