HSK 7-9
恩人
ēnrén名
a benefactor; a person who has significantly helped sb else
那位医生是全家的恩人。
Nà wèi yī shēng shì quán jiā de ēn rén.
That doctor is the whole family's benefactor.
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Appears across levels (7-9) in the HSK 3.0 word list.