Meaning of tān huàn:
tān huàn
瘫痪
Verb
(fig.) to be paralyzed; to break down; to come to a standstill; (medicine) to suffer paralysis
Yīn tiānqì yuányīn, chénglǐ de jiāotōng xìtǒng wánquán tānhuàn le.
因天气原因,城里的交通系统完全瘫痪了。
Due to the weather conditions, the city's transportation system was completely paralyzed.
Tā de tuǐ zài shìgù zhōng tānhuàn le.
他的腿在事故中瘫痪了。
His legs were paralyzed in the accident.