- fifty-fifty
 - ['fifti'fifti]
 - adj. 对半的;利弊各半的;平分为二的
adv. 各半;平均地;利弊各半地 
同义词
           - a. even
 
参考例子
           - 1.We agree we 'd share the housework fifty - fifty… That is just wishful think.
 - 我们曾经约好家务事平均负担……就是做不到。
 
- 2.They found the treasure and divided it up fifty-fifty (on a fifty-fifty basis).
 - 他们找到那批财宝,把它平分了。
 
- 3.It was fifty - fifty chance which staircase he would use. So I tossed a coin and waited hopefully at the exit.
 - 难说他将从哪道楼梯下来。于是,我抛币而定,并满怀希望地等候在出口处。
 
英文解释
           - adj.
 - 1.equal in degree or extent or amount; or equally matched or balanced
 
网络释义
               - Fifty-fifty
 - 对半分!; 五五支付; 平均地; 对半;
 
- go fifty-fifty
 - 平分; 均摊; 各付各的; 均分摊, 平分, 合力(做某事);
 
- fifty-fifty ball
 - 双方机会均等的球;
 
- go fifty-fifty with
 - 与...平分; 与...均摊;
 
- a fifty - fifty chance
 - 一半希望;