derail
US /ˌdiːˈreɪl/
UK /ˌdiːˈreɪl/

1.
tergelincir, keluar rel
cause (a train or tram) to leave its tracks accidentally
:
•
The heavy snow caused the train to derail.
Salju tebal menyebabkan kereta api tergelincir dari rel.
•
An investigation is underway to determine why the train derailed.
Penyelidikan sedang dilakukan untuk menentukan mengapa kereta api tergelincir.
2.
menggagalkan, menghambat
prevent (a plan or process) from continuing as intended
:
•
His sudden resignation threatened to derail the entire project.
Pengunduran dirinya yang tiba-tiba mengancam akan menggagalkan seluruh proyek.
•
Don't let minor setbacks derail your progress.
Jangan biarkan kemunduran kecil menggagalkan kemajuan Anda.