充飢

to allay one's hunger

to fill / to satisfy / to fulfill / to act in place of / substitute / sufficient / full

sufficient; full / to fill / to serve as; to act as / to act falsely as; to pose as

(bound form) hungry

lit. to allay one's hunger using a picture of a cake / to feed on illusions (idiom)

to bury one's head in the sand (idiom)

to allay one's hunger and slake one's thirst (idiom)