ten to one

US /tɛn tu wʌn/
UK /tɛn tu wʌn/
"ten to one" picture
1.

十中八九, ほぼ確実に

very likely; almost certainly

:
Ten to one, he'll be late as usual.
十中八九、彼はいつものように遅れるだろう。
It's ten to one that the train will be delayed.
十中八九、電車は遅れるだろう。