Before stepping onto the lunar surface, the astronauts checked their primary life support system to ensure it would provide breathable air and scrub carbon dioxide.

One might risk one's life and limb to preserve a quaint grammatical form, though this usage is a rare misconstruction.

To take one's own life is an irreversible decision that requires compassion, understanding, and urgent help.

Health economists often use quality-adjusted life years to compare the benefits of different treatments.

The heartbreak and the joy both taught me valuable lessons and helped me be part of life's rich tapestry.

The robber growled, 'your money or your life' as he brandished a knife.

Despite their attempts to reconcile, the couple kept leading a cat-and-dog life that wore them both down.

After five years of constant arguing, they began to lead a cat-and-dog life, barely speaking to each other.

For years they led a cat-and-dog life, arguing over every little thing until they finally decided to separate.

She leads a cat-and-dog life with her sister, constantly arguing over chores and money.