HSK 7-9
干预
gānyù动
to meddle; to intervene; intervention
医生及时干预避免病情恶化。
Yī shēng jí shí gān yù bì miǎn bìng qíng è huà.
The doctor's timely intervention prevented the condition from worsening.
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Appears across levels (7-9) in the HSK 3.0 word list.