Usages of jiāo
我 不 知道 怎么 用 这 个 手机， 你 可以 教 我 吗？wǒ bù zhīdào zěnme yòng zhè gè shǒujī, nǐ kěyǐ jiāo wǒ ma?
I don’t know how to use this phone; could you teach me?
她 教 我 说 中文， 我 教 她 写 英文。tā jiāo wǒ shuō zhōngwén, wǒ jiāo tā xiě yīngwén.
She teaches me to speak Chinese; I teach her to write English.
Elon.io is an online learning platform
We have an entire course teaching Chinese grammar and vocabulary.