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
Oh my!
啊！
A handful of common sense is worth bushel of learning.
一点小常识常胜过很多有价值的学问。
What's that in English?
那个用英语怎么说？