ten to one,five and ten,six to one,at sixs and sevens,in threes and fours.

问题描述:

ten to one,five and ten,six to one,at sixs and sevens,in threes and fours.

ten to one [简明英汉词典]
adv.很可能
six to one [简明英汉词典]
adv.六对一,相差悬殊