qīng​náng​xiāng​shòu

to teach everything one knows

Senses

倾囊相授/ 傾囊相授 qīng​náng​xiāng​shòu to teach everything one knows

To give all one has to another (literally to empty one's bag); used to describe teaching others everything one knows without reservation

References

see 倾囊相授/傾囊相授 倾囊/傾囊