4-f
n. [美国英语]；选征兵役制中不及格者免除兵役(者)(指身体、心理、品德等不适于服兵役)的分类
🗣️ 情景例句
One week after I have submitted my resignation paper.
在我提交辞职信一星期后吧！
Just tell it like it is.
你就直话直说吧！
Where's Li Lei?
李磊在哪里？