Correct
病来如山倒，病去如抽丝
/ bìng lái rú shān dǎo, bìng qù rú chōusī /
Strokes
Definition
sickness comes like a landslide, but goes slowly like spinning silk (idiom); expect to convalesce slowly
Example
Definition
diseases come like an avalanche and go away like reeling silk—diseases come in a devastating manner, but go away little by little