1、He became a chief petty officer specializing in radar.
他成為一個專攻雷達的下士。

2、A U.S. Navy petty officer who is an assistant to a warrant officer.
下士美國海軍作四級準尉助手的小官

3、A petty officer performing chiefly clerical duties in the US Navy
文書軍士美國海軍中，主要做文書工作的小軍官

4、I left Bahrain as a petty officer 3rd class and completed a six-week officer candidate boot camp.
我作為上等兵離開巴林并且完成了一個為期六周的新兵訓練營長官侯選人評選。

5、A petty officer performing chiefly clerical duties in the U.S. Navy.
文書軍士美國海軍中，主要做文書工作的小軍官

6、a petty officer on a merchant ship who controls the work of other seamen.
一個在商船上管理其它海員工作的海軍士官。

7、A petty officer responsible for the navigation of a ship
舵工負責船只航行的低級官員

8、A US Navy petty officer who is an assistant to a warrant officer
下士美國海軍作四級準尉助手的小官