恳

勤勤恳恳

qín qín kěn kěn

industrious and conscientious

勤恳

qín kěn

diligent and attentive

恳切

kěn qiè

earnest

恳求

kěn qiú

to beg

恳请

kěn qǐng

to request earnestly

恳辞

kěn cí

to decline with sincere thanks

诚恳

chéng kěn

sincere