by any chance
成語所屬單字chance
by any chance — 慣用語
1. Used in questions to ask if something is true or possible.
1.慣用語
釋義
萬一；碰巧
Used in questions to ask if something is true or possible.
例句
Are you by any chance free for lunch tomorrow?
Could you by any chance lend me your bicycle for an hour?