- 想入非非 xiǎngrùfēifēi to indulge in fantasyto let one's imagination run wild; to indulge in unrealistic daydreams or flights of fancy; originally a Buddhist term referring to a state of deep meditation
- 是是非非 shìshìfēifēi gossipGossip, scandal, or the various rights and wrongs of a dispute; quarrels and complications.