倾囊

tā duì wǒ qīng náng xiāng zèng

他对我倾囊相赠。

He gives all he has to me.

jiào shòu jiāng zì jǐ de xué shí qīng náng chuán shòu gěi nà wèi nián qīng fǎng kè dào tóu lái què méi yǒu huò dé yī diǎn gǎn jī

教授将自己的学识倾囊传授给那位年轻访客，到头来却没有获得一点感激。

The Professor lavished his learning on the young visitor but gained little gratitude for his pains.