do-nothing

n.

懒鬼，游手好闲的人，懒惰者；

adj.

游手好闲的，无为的，懒惰的；

1. Stop fooling around, do some serious work.
   别游手好闲的，干点正经活儿。
2. He should look for a job instead of floating around doing nothing.
   他不应该这么游手好闲的，应该找份工作。
3. I don't want to make friends with indolent persons.
   我不喜欢和懒惰的人交朋友。
4. The two lazy stepsisters asked Cinderella to do things for them.
   两个懒惰的后姐姐也让灰姑娘为她们做事。

Do-nothing temporary driver
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The Alvarez–Lohmann lens as a do-nothing machine
“Fallow Band System”, a Do-nothing Practice for Controlling Desertification and Improving Crop Production in the Sahel, West Africa
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On the performance of the DG method with a directional do-nothing boundary condition
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