even-steven
/ˈiːvənˈstiːvən/(亦作even-stevens)
adjective & adverb
- informal used in reference to fair and equal competition or distribution of resources〈非正式〉公平的（地）; 平等的（地）：
as adj. the race was an even-steven affair那是一场公平的比赛
as adv. I split the money with my wife even-steven.我和妻子平分了这笔钱。
词源
mid 19th cent.: rhyming phrase, used as an intensive.