How do you say older brother in Chinese?

There are a few ways to say "older brother" in Chinese, depending on the context and formality:

Formal:

* 哥哥 (gēgē): This is the most common and general term for older brother.

* 兄长 (xiōngzhǎng): This is a more formal and respectful term, often used in writing or when addressing someone much older.

Informal:

* 哥 (gē): This is a shortened and more casual form of 哥哥. It's usually used when speaking to an older brother or someone close to you.

Other:

* 大哥 (dàgē): This means "big brother" and can refer to an older brother or someone you respect like a leader.

* 二哥 (èrgē): This means "second brother" and is used for the second oldest brother in a family.

Note: The specific term you use will depend on the context and your relationship with the person you are addressing.