noun · a friendly term of address for a peer; a fellow or buddy

伙计，咱们该出发了，别让大家久等。

noun · a shop assistant, waiter, or servant, typically in a traditional setting

客栈里的伙计赶紧过来帮客人牵马。

noun · a business partner or associate in a shared venture

他是父亲多年合作的老伙计了。