buck private造句 1. He is a buck private. 2. The sergeant was degraded to buck private. 3. I started out as a buck private and served in five different enlisted grades before becoming an officer. 4. A young buck private saw the first body as they approached the village. 5. Kissinger was then nineteen and a buck private in the U.S. Infantry. 6. The next day I was still a buck private with KP - kitchen police - as my highest duty. 7. The next day I was still a buck private with KP as my highest duty.