請問{特務}的英文是什麼?

Agent，雅虎網上字典解作：間諜、特工、密探

Agent原自法文Agent provocateur（複數Agents provocateurs，發音不變）指：
Person empolyed to find suspected criminals or offendersby tempting them to commit an offence openly.
指受雇誘使嫌疑犯公然犯罪，以便加以逮捕的秘密偵探．

2007-08-03 11:09:46 補充：
Spy（間諜）is a person who tries to get secret information, especially about the military affairs of other countries. Call a "secret agent"（特務或特工）if he is empolyed by one's own government and a "spy"（間諜）if he is working for other countries)參考資料：牛津現代高級英漢雙解辭典

secret service; spy

是 spy.

特務:
1.a special mission or task
2.a special or secret agent (of espionage, counterintelligence, etc.); the secret service; an operative

{特務}的英文是spy 呀!

請問{特務}的英文是什麼?
spy