堅韌不拔

Simplified: 坚韧不拔

jiānrèn ㄐㄧㄢ ㄖㄣˋ ㄅㄨˋ ㄅㄚˊ

    • firm and indomitable (idiom) tenacious and unyielding

Character by character

Other words read jiānrèn

jianrenbuba with other tones

Sources