HSK 7-9
毕生
bìshēng名
one's whole life; throughout one's life
这位医生毕生研究儿童健康。
Zhè wèi yī shēng bì shēng yán jiū ér tóng jiàn kāng.
This doctor devoted an entire life to researching children's health.
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Appears across levels (7-9) in the HSK 3.0 word list.