He became a chief petty officer specializing in radar.

他成为一个专攻雷达的下士。

Or maybe you prefer the cybernetically enhanced, such as Halo's Master Chief Petty Officer John-117.

或许你更喜欢有着强化的控制力的角色，例如《光晕》中的士官长 John-117 海军士官。

I left Bahrain as a petty officer 3rd class and completed a six-week officer candidate boot camp.

我作为上等兵离开巴林并且完成了一个为期六周的新兵训练营长官侯选人评选。

A rather strange case opens when a Petty Officer is found dead in a car while working on an undercover mission.

相当奇怪的案件打开当一个下士找到死在汽车当从事一个暗中进行的使命。

Under specific pressures, petty officer cadets in military academy are undergoing a variety of psychological problems.

军校士官学员由于承受特有的群体压力，导致了各种心理问题的产生。