天差地別

poles apart (idiom) / as different as can be

(idiom) poles apart; as different as can be

day / sky / heaven

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]

difference; discrepancy / (math.) difference (amount remaining after a subtraction) / (literary) a little; somewhat; slightly

different / wrong; mistaken / to fall short; to lack / not up to standard; inferior / Taiwan pr. [cha1]

to send (on an errand) / (archaic) person sent on such an errand / job; official post

used in 參差|参差[cen1 ci1]

surname Bie

to leave / to depart / to separate / to distinguish / to classify / other / another / don't ...! / to pin / to stick (sth) in / (noun suffix) category (e.g. 性別|性别[xing4 bie2], 派別|派别[pai4 bie2])