背地 (bèi dì) — secretly; in private

背地

bèi dì

secretlyin privatebehind someone's back

就這個詞提問

背

back, backside; to betray, to violate

部首⺼部件 ⿱北⺼

地

earth, ground, soil; land, region; structural particle used before a verb

部首土部件 ⿰土也