1630s, "soldier in a cavalry troop," from troop (n.) + -er (1). Extended to "mounted policeman" (1858, in Australia) then to "state policeman" (U.S.) by 1911.
雙語例句
1. Once long ago he had considered becoming a state trooper.
很久以前他曾考慮過當(dāng)州警察。
來自柯林斯例句
2. "Where to, Corporal?" asked Trooper Fane respectfully.
“下士，您去哪里？”騎兵費恩畢恭畢敬地問道。
來自柯林斯例句
3. He became a trooper in the Royal Tank Regiment.
他當(dāng)上了皇家坦克團的裝甲兵.
來自《簡明英漢詞典》
4. The trooper overstayed his leave.
這個騎兵超假了.
來自《現(xiàn)代漢英綜合大詞典》
5. The young state trooper didn't say anything to him.