"anyone's guess" in Chinese (Traditional)
誰也說不準難以預測
Definition
如果某事是「誰也說不準」，表示沒有人知道答案或結果，完全無法預測。
Usage Notes (Chinese (Traditional))
這是一個非正式用語，用於形容事情完全無法預測。常見於談論未來或不確定情況時（如：'何時結束？誰也說不準。'）。不是猜謎遊戲中的字面用法。
Examples
When the train will arrive is anyone's guess.
火車什麼時候到，**誰也說不準**。
It's anyone's guess how many people will come.
有多少人會來，**誰也說不準**。
The real reason is still anyone's guess.
真正的原因至今**誰也說不準**。
How this will turn out is anyone's guess.
事情的結果**誰也說不準**。
When prices will go down again is anyone's guess.
價格什麼時候會再降，**誰也說不準**。
Where he went last night is still anyone's guess.
他昨晚去了哪裡，至今**誰也說不準**。