讲解文本：

anyone's guess 拿不准，说不好，任何人的猜测

How long will Mike stay in the position is anyone's guess.

麦克在这个位置上能呆多久，谁也说不准。

Which team will win is anyone's guess.

哪个球队会赢谁也说不好。

疯狂练习吧!