1) He is three years junior to me.
他比我小三岁。
2) He's one year younger than me.
他比我小一岁。
3) He is junior to me by two years.
他比我小两岁。
4) He's my senior by three years.
他比我大三岁。
5) I am three years her junior.
我比她小三岁。
6) I am three years younger than Bob.
我比鲍勃小三岁。
参考词条