警員

In a sentence

• 警員在街頭巡邏，保障市民的安全。

  The police officer patrols the streets to ensure the safety of the citizens.

  Here, '警員' directly refers to a member of the police force fulfilling their duty.

• 當發現可疑人物時，警員立刻展開調查。

  Upon spotting a suspicious individual, the officer immediately began an investigation.

  In this context, '警員' emphasizes their investigative responsibility.

• 警員的辛勤工作使社區成為一個更安全的地方。

  The diligent work of the police officers makes the community a safer place.

  This sentence highlights the general contributions of '警員' to public safety.