His father is a staff sergeant in the army.

父亲是一名陆军上士。

《柯林斯英汉双解大词典》

The suspect, a U.S. Army staff sergeant from a Stryker brigade based in Fort Lewis, Wash.

WSJ: Shootings Fray Afghan Ties

Wiggins served as Army staff sergeant in the Philippines and Japan during World War II.

NPR: The Lessons of War, Shared Across Generations

Weeks later, a 38-year-old U.S. Army staff sergeant was accused of killing 17 Afghan civilians, most of them women and children.

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