If, by any chance, any thieves should come, be sure to bark!

如果，万一有贼来，一定要叫！

youdao

Are they by any chance related?

他们可能有关联吗？

《柯林斯英汉双解大词典》

Are you in love with him, by any chance?

你爱上他了？

《牛津词典》

So, if any of you doesn't want to be, by chance, seen on the Internet, then sit out of range of the camera.

如果你们不想要，意外地，出现在网上的话，那么就坐在摄像机拍摄的范围外。

麻省理工公开课 - 固态化学导论课程节选

Did the three of them, by any chance, ask the President to do any pledging on his own?

WHITEHOUSE: Press Briefing

She doesn't talk to Eleanor Roosevelt by any chance, does she?

CNN: Schroeder Escapes The House's Glass Ceiling

And this article--do you know this reporter, by any chance?

CNN: Transcripts from video deposition of Sidney Blumenthal