The offence carries a mandatory life sentence.

这种罪行依照法律要判无期徒刑。

《牛津词典》

In a case of premeditated murder a life sentence is mandatory.

蓄意杀人依法必须判终生监禁。

《柯林斯英汉双解大词典》

Hackers who breach and cause substantial harm to critical infrastructure systems would face a mandatory minimum three-year prison sentence if the White House gets its way.

如果白宫的一项法案通过的话，破坏关键性基础设施系统并对其造成重大损害的黑客将面临至少三年的强制性监禁。

youdao

Chairman of the home affairs select committee, John Denham, was reluctant to endorse a mandatory sentence, saying that courts needed to have some discretion.

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While removal upon conviction has not always been considered inevitable, I agree that Article II, Section 4 of the Constitution requires a mandatory sentence of removal upon conviction of high Crimes and Misdemeanors.

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Nor is the mandatory prison sentence for offenders calculated to make the government loved.

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