tossup

• 名词，指结果无法预测、胜负难分或可能性相等的情况或事件；也指难以预料的不确定局面。

A noun referring to a situation or phenomenon that is unpredictable, where the outcome is uncertain or evenly balanced.

1. Unpredictable outcomeB2informal

   A situation where the result is uncertain or could go either way.

   胜负难料的结果

   • The election is a tossup between the two candidates.
   • It's a tossup whether we'll finish the project on time.
   • The game was a tossup until the final seconds.

   同义词close callcrapshooteven chancefifty-fiftygamblelotteryuncertainty

   反义词certaintyforegone conclusionsure thing