1.father-in-law; one's husband's father; grandpa; grandad
wǒ wèi gōnggong zhǔnbèile zǎocān.
I prepared breakfast for my father-in-law.
gōnggong zǒng shì jiǎng yǒuqù de gù shi.
My father-in-law always tells interesting stories.
wǒ měitiān dōu péi gōnggong sànbù.
I go for a walk with my father-in-law every day.