who knows (EN)

词组

词组 “who knows”

1. 谁知道呢 (用于表示没有人知道问题的答案，并且可能无法找到答案)
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   I've tried to understand why she left, but who knows what she was thinking.
2. 谁知道 (用于表示任何事情都有可能发生或可能会发生意想不到的事情)
   One day you might become famous—who knows?