3 sentences

1. 他去年被晋升为少尉。

   tā qù​nián bèi jìn​shēng wéi shào​wèi.

   He was promoted to second lieutenant last year.

   Source: Dong Chinese Dictionary

2. 他只不过是一个少尉。

   tā zhǐ​bu​guò shì yī gè shào​wèi.

   He's only a lieutenant.

   Source: OpenSubtitles

3. 经过两年的表现，他从少尉晋升为中尉。

   jīng​guò liǎng nián de biǎo​xiàn, tā cóng shào​wèi jìn​shēng wéi zhōng​wèi.

   After two years of performance, he was promoted from second lieutenant to lieutenant.

   Source: Dong Chinese Dictionary