fifty-fifty
adj, adv (infml 口) shared or sharing equally between two 對半(的); 二一添作五
divide the profits on a fifty-fifty basis, ie take equal shares 平分利潤
a fifty-fifty chance of winning, ie an equal chance of winning or losing 勝負(fù)的可能性參半
We went fifty-fifty on dinner, ie shared the cost equally. 我們平攤用餐費(fèi).