jiǔ​bìng​chéng​liáng​yī

a long illness makes a patient into a good doctor

久病成良医 久病成良醫 jiǔ​bìng​chéng​liáng​yī
a long illness makes a patient into a good doctor
(idiom) a person who has been ill for a long time eventually becomes familiar with medical knowledge; metaphorically, one becomes an expert in a field through long experience and trial and error

Frequency

Written text
0.023 per million

Sources

Frequency data
BCC Corpus (BLCU)