To ask for someone's advice or guidance; to receive instruction from someone.

Used as a polite expression to acknowledge or accept someone's advice or skill

To experience something firsthand or have a taste of it; often used ironically or humorously regarding someone's bad temper, tricks, or lack of skill.

A polite formula used to decline or refuse to accept a status, instruction, or offer (often preceded by 不敢 bù​gǎn)