He proposed she become his lawfully wedded wife.

他请求她做他的合法妻子。

《柯林斯英汉双解大词典》

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A lawfully formed contract is protected by law.

依法成立的合同，受法律保护。

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Habeas corpus is a legal term for the right to have a judge decide if a person is being detained lawfully.

VOA: special.2009.02.09

The U.S.State Department has said it wants to see the situation addressed lawfully, without violence or any impediments to democratic activities.

VOA: standard.2009.03.13

This execution can be carried out lawfully under the current provisions of the laws of war.

CENTERFORSECURITYPOLICY: Terrorism combatant brief

Blackwater said its contractors acted lawfully and appropriately in response to a hostile attack.

NPR: Iraq to Review Contract Security After Shootout

Up to a point, people admire those who lawfully pull off major tax savings.

FORBES: In Taxes, Kim Kardashian is More Buff Than Buffett