prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity
old (of people)
venerable (person)
experienced
of long standing
always
all the time
of the past
very
outdated
(of meat etc) tough
2
梗
gěng
branch
stem
stalk
to block
to hinder
(neologism that evolved from 哏gén, initially in Taiwan, during the first decade of the 21st century) memorable creative idea (joke, catchphrase, meme, neologism, witty remark etc)
prominent feature of a creative work (punchline of a joke, trope in a drama, special ingredient in a dish, riff in a pop song etc)