誠心誠意 [ㄔㄥˊ ㄒㄧㄣ ㄔㄥˊ ㄧˋ; cheng2 xin1 cheng2 yi4]
earnestly and sincerely (idiom); with all sincerity
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誠心誠意
せいしんせいい
adverb (fukushi)
noun (common) (futsuumeishi)
nouns which may take the genitive case particle `no'
in all sincerity
with one's whole heart
whole-hearted devotion
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