HSK 6 · verb
患
to suffer from; to contract (an illness)
爷爷去年患了一场大病。
Yéye qùnián huànle yì chǎng dà bìng。
My grandfather suffered a serious illness last year.
医生每天要看很多患者。
Yīshēng měi tiān yào kàn hěn duō huànzhě。
The doctor sees many patients every day.
旧电线是很大的安全隐患。
Jiù diànxiàn shì hěn dà de ānquán yǐnhuàn。
Old wiring is a major safety hazard.