This is my brother, and he is called Boris.

这是我的弟弟, 他的名字叫鲍里斯.

Don't you see the family resemblance?He is my brother.

妳没看出我们之间的血缘关系吗? 他是我兄弟！

Hi, Wang Hua! This is my brother Li Ming. He is with the school basketball team.

嗨，王华，这是我哥哥李明，他是学校篮球队的成员。