They went to prison because they violated the law.

他们因犯法而入狱。

《柯林斯英汉双解大词典》

In case the criminal law is violated, criminal liability shall be investigated in accordance with the provisions of the criminal law on the crime of swindle or other crimes.

触犯刑律的，依照刑法关于诈骗罪或者其他罪的规定，依法追究刑事责任。

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He violated the law and his vice would be punished.

他违反了法律，他的邪恶将受到惩罚。

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There would be no competition. President Roosevelt believed the new company violated the Sherman Anti-Trust Law.

VOA: special.2010.08.12

There would be no competition. President Roosevelt believed the company violated the Sherman Anti-Trust Law.

VOA: special.2010.08.05

Those opposed to slavery believed the compromise law on runaway slaves violated the constitution.

VOA: special.2009.04.09

He agreed with the four conservatives that the law violated the Commerce Clause of the Constitution, which was the main claim of the 26 states that sued.

WSJ: Toodle-oo to 2012

Ms. Gardner worked with the Institute for Justice, a nonprofit libertarian law firm, to sue the Florida regulatory body in charge of interior design in U.S. District Court in Tallahassee, claiming the law violated their First Amendment rights to call themselves interior designers.

WSJ: A License to Shampoo: Jobs Needing State Approval Rise

Chief Justice John Roberts said the law had violated the right to free speech.

BBC: NEWS | Americas | Court eases TV ad election curbs