空心老大

pretentious and vacuous person

empty / air / sky / in vain

to empty / vacant / unoccupied / space / leisure / free time

hollow / (of vegetables) to become hollow or spongy inside / (of a basketball) to swish through (not touching the hoop)

on an empty stomach

heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4]

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/ old (of people) / venerable (person) / experienced / of long standing / always / all the time / of the past / very / outdated / (of meat etc) tough

old age / very / eldest child in a family / leader of a group / boss / captain of a boat / leader of a criminal gang

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)