"in his life" vs "on his life"

Question

"in his life" vs "on his life"

Both "in his life" and "on his life" are correct, but they are used in different contexts. "In his life" is used to refer to events or experiences that occur during a person's lifetime, while "on his life" is used to emphasize a promise or statement made with one's life as a guarantee.

Last Updated: March 19, 2024

Use "in his life" to talk about things that happen during someone's lifetime, such as achievements, experiences, or challenges.

Examples:

He faced many challenges in his life.
She achieved great success in her life.
In his life, he traveled to many countries.
She made many friends in her life.
He experienced both joy and sorrow in his life.

Alternatives:

during his lifetime
throughout his life
over the course of his life
in his lifetime
across his life

Use "on his life" to emphasize a serious promise or statement that someone is making, often with their life as the guarantee.

Examples:

I swear on my life that I will never betray you.
On his life, he promised to always protect his family.
She vowed on her life to keep the secret.
He pledged on his life to fulfill his duty.
On his life, he would never break his word.

Alternatives:

I swear
I promise
I vow
I pledge
I guarantee

Answer 1

in his life

This phrase is correct and commonly used in English to refer to events or experiences that occur during a person's lifetime.

Answer 2

on his life

This phrase is correct and commonly used in English to emphasize a promise or statement made with one's life as a guarantee.

"in his life" vs "on his life"

in his life

on his life

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