你 nǐ you (informal, as opposed to courteous 您 nín) Example sentences 你叫大卫吗？ nǐ jiào dàwèi ma? Is your name David? 你姓程吗？ nǐ xìng chéng ma? Is your surname Cheng?
你 [妳] nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 nǐ is used to address both males and females.)