同类相吸 tóng lèi xiāng xī

DEFINITIONS

  1. Like attracts like.

CHARACTERS

同 tóng
HSK 1
same, similar; together with
类 lèi
HSK 5
class, group, kind, category
相 xiāng
HSK 3
mutual, reciprocal, each other
吸 xī
HSK 4
inhale, suck in; absorb; attract