1. did not know his nephew Jack became leatherneck. 我不知道他的侄子杰克已加入海军陆战队。
2. I did not know his nephew Jack became a leatherneck . 我不知道他的侄子杰克已加入海军陆战队。
3. "We will oversee the strategic implementation of [Obama's] decisions with a finely developed set of metrics, " says Jones in the patois peculiar to those who spend 40 years as a leatherneck. “我们会以一套有效的度方式来监督奥巴马的决议的执行,”琼斯以其40年海军陆战队员特有的语调说道。