at the mercy of
at the mercy of (someone/something)
unable to protect yourself from someone or something.
The entire movie business is at the mercy of teenage moviegoers.

If you're not legally employed, you're at your employer's mercy.

[TahlilGaran] English Idioms Dictionary ▲

at the mercy of something
at the mercy of (someone/something)
unable to protect yourself from someone or something.
The entire movie business is at the mercy of teenage moviegoers.

If you're not legally employed, you're at your employer's mercy.

[TahlilGaran] English Idioms Dictionary ▲

at the mercy of
• at the mercy of (the court/someone)
having no defense against the court/someone
My friend was at the mercy of the court when he went before the judge.

[TahlilGaran] English Idioms Dictionary ▲

at the mercy of
adj. phr. In the power of; subject to the will and wishes of; without defense against.
The champion had the other boxer at his mercy.
The picnic was at the mercy of the weather.
The small grocer was at the mercy of people he owed money to.

[TahlilGaran] English Idioms Dictionary ▲