I don't know his name.

我不知道他的名字。

同一单元的其他句子

• My name is Gina, and I am twelve years old.我的名字是吉娜，我十二岁了。
• What is your name? Please tell me.你叫什么名字？请告诉我。
• Her name is Alice, and she is my friend.她的名字是爱丽丝，她是我的朋友。
• His name is Tom, but he likes to be called Tommy.他的名字是汤姆，但他喜欢被叫做汤米。
• I am not Gina; my name is Lucy.我不是吉娜，我的名字是露西。