ten to one
US /tɛn tu wʌn/
UK /tɛn tu wʌn/

1.
büyük ihtimalle, neredeyse kesinlikle
very likely; almost certainly
:
•
Ten to one, he'll be late as usual.
Ona bir, her zamanki gibi geç kalacak.
•
It's ten to one that the train will be delayed.
Ona bir, trenin gecikeceği kesin.