be the death of
US /bi ðə dɛθ ʌv/
UK /bi ðə dɛθ ʌv/

1.
essere la morte di, far morire, causare molti problemi o preoccupazioni
to cause someone to die, or to cause someone a lot of trouble or worry
:
•
All this stress is going to be the death of me.
Tutto questo stress mi farà morire.
•
His constant complaining will be the death of me.
Le sue lamentele continue mi faranno morire.