醍醐灌顶

tí hú guàn dǐng

lit. to anoint your head with the purest cream (idiom); fig. to enlighten people with perfect wisdom

flawless Buddhist teaching

醍

tí

used in 醍醐[ti2 hu2]

醐

hú

used in 醍醐[ti2 hu2]

灌

guàn

to irrigate

顶

dǐng

apex