tāo​kōng

exhaust

掏空 tāo​kōng
exhaust verb
to use up or deplete resources, savings, or physical energy completely

High medical costs drained his lifelong savings.

hollow out verb
to remove the contents of a physical object to make it empty

The children hollowed out the pumpkin to make a lantern.

tunneling verb
the illegal or unethical diversion of corporate assets by insiders for personal gain

Those executives were prosecuted for allegedly draining company assets.

Frequency

Movie subtitles
1.22 per million appears in 1% of films
Written text
1.59 per million

Sources

Definitions
CC-CEDICT