He joined the Army five years ago.

他５年前参了军。

《柯林斯英汉双解大词典》

He joined the Army in February 1943.

他1943年2月参军。

《柯林斯英汉双解大词典》

I had an idea that he joined the army later, after college, but I may be wrong.

我猜想他大学毕业后参了军，不过我也许错了。

《柯林斯英汉双解大词典》

In nineteen forty-two, he joined the Army and served in Europe during World War Two.

VOA: special.2009.03.01

He joined the United States Army in nineteen forty-one, during the Second World War.

VOA: special.2009.04.05

He proposed giving immediate freedom to any slave who joined the army.

VOA: special.2009.12.03

He joined the army in New York City, where he was working as an architect and engineer.

FORBES: War Story

He joined the army in 2006 and acquired the nickname "Riggers" in his platoon.

CNN: SHARE THIS

After the Americans entered the second world war in 1941 he joined the army.

ECONOMIST: Bill Blass