the final nail in the coffin

US /ðə ˈfaɪnl neɪl ɪn ðə ˈkɔfɪn/
UK /ðə ˈfaɪnl neɪl ɪn ðə ˈkɔfɪn/
"the final nail in the coffin" picture
1.

paku terakhir di peti mati, titik akhir

an event that causes the failure of something that had already been weakening

:
The company's latest scandal was the final nail in the coffin for its reputation.
Skandal terbaru perusahaan itu adalah paku terakhir di peti mati reputasinya.
His decision to quit was the final nail in the coffin for the struggling project.
Keputusannya untuk berhenti adalah paku terakhir di peti mati bagi proyek yang sedang berjuang itu.