Tossup
n. 各占一半的机会，碰运气的事; 扔钱币决定某事
🗣️ 情景例句
Thanks, Linda.
谢谢，Linda。
Penny wise and pound foolish.
小事聪明，大事糊涂。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。