不蒸饅頭爭口氣
bù​zhēng​mán​tou​zhēng​kǒu​qì

to be determined to do better than others

不蒸馒头争口气 不蒸饅頭爭口氣 bù​zhēng​mán​tou​zhēng​kǒu​qì
to be determined to do better than others
To act out of a desire to prove one's worth or to save face rather than for material gain; determined to succeed or have one's revenge in order to restore one's dignity.