will be the death of

will be the death of someone or something (yet)

[the thing named] will be the end or ruin of someone or something. This job will be the death of me! Rough roads will be the death of these tires.

Name	Pronounced	Usage
Yumi	yoo-mee	Japanese
Diana	die-AN-ə (English), dee-AH-nah (Italian, German, Dutch)	English, Spanish, Italian, Portuguese, Romanian, Catalan, German, Dutch, Danish, Swedish, Norwegian,
Shulamith	-	Hebrew
Dolores	[də'ləuris]
Corie	KAWR-ee	English
Na	-	Chinese