be the ruin of somebody
to make someone lose all their money, their good health, the good opinion that other people have of them

[TahlilGaran] Dictionary of Contemporary English ▲

ruin of
• ruin of (someone or something)
the cause of someone's destruction/failure
I think that the poor business skills of my uncle will be the ruin of him.

[TahlilGaran] English Idioms Dictionary ▲

ruin of something
• ruin of (someone or something)
the cause of someone's destruction/failure
I think that the poor business skills of my uncle will be the ruin of him.

[TahlilGaran] English Idioms Dictionary ▲

ruin of someone
• ruin of (someone or something)
the cause of someone's destruction/failure
I think that the poor business skills of my uncle will be the ruin of him.

[TahlilGaran] English Idioms Dictionary ▲