toss up decision 抛硬币决定
toss up result 难以预测的结果
flip or toss up 抛硬币或随机决定
toss up between A and B 在A和B之间难以抉择
1. It's a toss up whether it will rain today.
今天会不会下雨难以预测。
2. The winner of the game is a toss up.
比赛的获胜者难以预料。
3. Choosing the restaurant is a toss up between Italian and Chinese.
选择餐厅很难决定，是意大利菜还是中餐。
A: Who will win the match?
A：谁会赢这场比赛？
B: It's a toss up, both teams are strong.
B：难以预测，两队都很强。
1) 难以预测的情况或结果
2) 两种可能性几乎相等
3) 通过随机方式决定（如抛硬币）
1. 难以预测或平分胜负的情况。
e.g.
Who gets the promotion is a toss up.
谁能升职很难预测。
phrasal verb / idiom
1. To be uncertain or have two equally likely outcomes; to be a matter of chance.
Synonym: flip a coin, uncertain