His original death sentence was commuted to life in prison.

他原本的死刑被减成终身监禁。

《柯林斯英汉双解大词典》

Jens commuted to Parliament by bike or tram and does not take out bodyguards on weekends and holidays.

延斯去国会上班都是骑自行车或者坐有轨电车，周末和节假日出门也不带保镖。

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His punishment of death was commuted to life imprisonment.

他被从死刑减为无期徒刑。

《新英汉大辞典》

But a short time later, the government announced that the country's leader, Senior General Than Shwe, had ordered the sentence commuted to 1 1/2 years under house arrest.

VOA: standard.2009.08.11

Criminals given a suspended death penalty usually have their sentences commuted to life imprisonment.

BBC: China orders suspension of death sentences

Chamberlain lived in a stylish apartment off Central Park in Manhattan and commuted to Philadelphia for practices and games.

WSJ: The Night Wilt Chamberlain Made History

The measure would see death row inmates have their sentences commuted to life.

BBC: California to vote on abolishing death penalty