1) I am one grade below him.
我比他低一年级。
2) be a class ahead of me
比我高一个年级
3) He makes out he's younger than me.
他声称比我年轻。
4) He is below me in rank.
他军衔比我低。
5) He is under me.
他职位比我低。
6) He has a higher level than me.
他的级别比我高。
参考词条