Teaching and learning learn from each other: teaching and learning interact and promote each other, and both of them are improved.

Teach everything: describe having special talents and wisdom.

Teaching well: There are many ways to guide education.

Teaching is also versatile: there are many ways to teach people.

Teach monkeys to climb trees. Metaphor refers to instructing bad people to do bad things.

Teaching women is new, teaching babies: it means educating a person at the right time and early.