for one's life

idiomatic

(idiomatic) extremely desperately

Japanese Meaning

（非常に切羽詰まった状況を表し）必死に、命が惜しくないほどに

One might run for one's life when a sudden earthquake strikes.

突然の地震が起きると、人は命がけで走ることがある。

Sense（1）

(idiomatic) extremely desperately

Basel continued to defend for their lives while occasionally threatening on the break.