不蒸馒头争口气

bù zhēng mán tou zhēng kǒu qì

not to be crushed (idiom)

to be determined to have one's revenge

no; not so

zhēng

to evaporate

mán

used in 饅頭|馒头[man2 tou5]

tou

suffix for nouns

zhēng

to strive for

kǒu

mouth

gas; air