平行线的陌路相交线的交错
[píng xíng xiàn de mò lù xiāng jiāo xiàn de jiāo cuò]
Literally means 'Parallel Lines Strangers Crossing Lines Crossed'. It expresses that although two people were strangers who should never meet (parallel lines), they unexpectedly intersect and connect in some ways, symbolizing fate or unexpected encounters.