想入非非 xiǎng rù fēi fēi

DEFINITIONS

  1. to indulge in fantasy (idiom); to let one's imagination run wild

CHARACTERS

想 xiǎng think, speculate, plan, consider
入 rù enter, come in(to), join
非 fēi not, negative, non-; oppose
非 fēi not, negative, non-; oppose