No matter what you know （ = Whatever you know）, you do tell me . 不管妳知道什麽，壹定要告訴我。
No matter when you go( = Whenever you go ), you must take me with you. 無論妳什麽時候去，壹定要帶上我。
Whoever breaks the law ( 名詞從句作主語) will be punished. 不管誰犯了法，都會受到懲罰。