无所事事的英文是sit around。
无所事事意思是闲着什么事情都不干，无：没有；事事：从事某种事情。英文是sit around，读音：sɪt əˈraʊnd，idle about闲逛；无所事事，eat one's head off无所事事，好吃懒做。
例句：
1、彼得躺在沙发上，无所事事。
Peter was lying on the sofa doing nothing in particular.
2、他根本就是一天到晚坐在那儿无所事事。
He basically just sits there and does nothing all day.
3、我无所事事，心情愁苦。
I was at loose ends and in a funk.
4、我们只是坐在那里无所事事。
We're just sitting there doing nothing.
5、从前他时常在公园里逛荡，无所事事。
Formerly he often lingered about [around] a park, doing nothing.
6、我宁愿做家务也不愿坐在那里无所事事。
I prefer to do housework rather than sit there doing nothing.
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