Here 's a mule that's been to jail.

这里有个混血儿，它进过监狱。

youdao

Prisoners have been placed on lockdown to prevent further violence at the jail.

已对囚犯实行活动限制，以免狱中再出现暴力行为。

《牛津词典》

Strenuous efforts had been made to improve conditions in the jail.

为改善那家监狱里的条件已做了艰苦的努力。

《柯林斯英汉双解大词典》

They don't want him to go out. He's been in jail for more than 20 years now and the maximum rule is to keep him inside a cell.

VOA: standard.2010.07.07

Every terror convict who's been to jail has been seen as a hero by certain aspects of their community, and while they may not commit another terror act, they will attract what are known as "clean skins" -- people who have no past terror convictions.

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If I'm a business owner, and I'm saying to myself, right now the unemployment rate is 10 percent, so there are a whole lot of folks who have never been to jail who are looking for a job -- it's hard for me to say, I'll choose the guy who went to jail instead of the person who never went to jail and has been laid off.

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It was the first time offenders had been sent to jail for this offence.

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