癞蛤蟆想吃天鹅肉

lài há ma xiǎng chī tiān é ròu

lit. the toad wants to eat swan meat (idiom)

fig. to try to punch above one's weight

癞

lài

scabies

蛤

há

used in 蛤蟆[ha2 ma5]

蟆

ma

toad

想

xiǎng

to think (about)

吃

chī

variant of 吃[chi1]

天

tiān

day

鹅

é

goose

肉

ròu

meat