Tā / zài / zhè / jiā / gōng / sī / gōng / zuò / le / sān / shí / nián / shì / dà / jiā / gōng / rèn / de / sān / cháo / yuán / lǎo

他在这家公司工作了三十年，是大家公认的三朝元老。

He has worked at this company for thirty years and is widely regarded as a veteran.