1) She is younger than I am.

她比我小。
2) She ranks as my junior in the clan.

她的辈分比我小。
3) I am three years her junior.

我比她小三岁。
4) She is my junior by three years.

她比我小三岁。
5) She weighs more than I do.

她比我重。
6) She arrived earlier than I did.

她比我先到。
参考词条