[ wǎngkāisānmiàn ] a net open on three sides -- purposely leave loopholes for an escape from the law
Example Sentences:
1.
From that story came the idiom " open the net on three sides " . later , people changed it into " give the wrong - doer a way out . " , indicating to be lenient to the wrong - doers “网开三面”这个成语就是由此而来的。后来，人们把它改为“网开一面” ，表示宽容地对待做错事的人。
