居功自傲

satisfied with one's accomplishment and arrogant as a result (idiom); resting on one's laurels and despising others

self / oneself / from / since / naturally / surely

meritorious deed or service / achievement / result / service / accomplishment / work (physics)

surname Ju

(archaic) sentence-final particle expressing a doubting attitude

to reside / to be (in a certain position) / to store up / to be at a standstill / residence / house / restaurant / classifier for bedrooms

proud / arrogant / to despise / unyielding / to defy

arrogance / proud of sth

to claim credit for oneself