2 sentences

1. 聂先生在这家公司工作了十年。

   Niè xiān​sheng zài zhè jiā gōng​sī gōng​zuò le shí nián.

   Mr. Nie has worked for this company for ten years.

   Source: Dong Chinese Dictionary

2. 聂先生在这家工厂已经工作了整整三十年。

   niè xiān​sheng zài zhè jiā gōng​chǎng yǐ​jīng gōng​zuò le zhěng​zhěng sān​shí nián.

   Mr. Nie has been working at this factory for a full thirty years.

   Source: Dong Chinese Dictionary