深入淺出

Deep; depth; far; very; profound; intense; late; thick; dense; flourishing.

To enter; to go into; to join; to become a member of; to receive or take in; to put in; to fall into a state; to be involved in; to conform to.

Shallow; not deep; light in color; superficial; brief; simple and easy to understand.

To go out or come out; to arise or occur; to produce or yield; to leave or depart; to give or pay; to appear or manifest.