那个老囚犯已经在监狱里待了二十年，成了真正的老油条。

The old ___inmate has spent twenty years behind bars and knows all the tricks.

那位老爵士乐手年轻时经常在纽约的小酒馆里即兴演奏。

The old ___yardbird used to jam in small New York bars when he was young.