不解之缘 bù jiě zhī yuán

DEFINITIONS

  1. an unresolved fate or bond; a mysterious connection

CHARACTERS

不 bù no, not; un-; negative prefix
解 jiě loosen, unfasten, untie; explain
之 zhī marks preceding phrase as modifier of following phrase; it, him her, them; go to
缘 yuán hem, margin; reason, cause; fate