by some chance由于某种原因;由于偶然的机会;不知为啥;不知为何
by any chance occasionally偶然地
In By a chance在个偶然的机会
If By Any Chance万一
by pure chance全凭运气;纯属偶然地
By a chance偶然的机会;一个偶然的机会
by sheer chance纯属偶然地;翻译
And By Any Chance如果有可能话
A by any chance于询问;也许
同义词:incidentallyaccidentally
同义词:perchance
同义词:haplyby luck
同义词:accidentallycircumstantiallyunexpectedly