to the bitter end

US /tə ðə ˈbɪtər ɛnd/
UK /tə ðə ˈbɪtər ɛnd/
"to the bitter end" picture
1.

hingga ke akhir, sampai ke penghujung

until a struggle or unpleasant experience is completely finished, despite difficulties or suffering

:
They fought to the bitter end, refusing to surrender.
Mereka berjuang hingga ke akhir, enggan menyerah.
She decided to stick with the project to the bitter end, even though it was very challenging.
Dia memutuskan untuk teruskan projek itu hingga ke akhir, walaupun ia sangat mencabar.