How do you say in Chinese my dad is a teacher?

There are a few ways to say "My dad is a teacher" in Chinese, depending on the context and formality level:

Formal:

* 我爸爸是老师。 (Wǒ bàba shì lǎoshī.) - This is the most common and direct translation.

* 我的父亲是一位老师。 (Wǒ de fùqīn shì yī wèi lǎoshī.) - This is a more formal and respectful way to say it, using "父亲" (fùqīn) for "father."

Informal:

* 我爸是老师。 (Wǒ bà shì lǎoshī.) - This is a more casual and informal way to say it, using "爸" (bà) for "dad."

Other options:

* 我爸爸教书。 (Wǒ bàba jiào shū.) - This literally means "My dad teaches."

* 我爸爸是学校老师。 (Wǒ bàba shì xuéxiào lǎoshī.) - This specifies that your dad is a teacher at a school.

The best way to choose which phrase to use will depend on the specific situation and who you are talking to.