to function at your peak怎么翻译~

以你最好的状态完成/执行/胜任function 动词 起作用,发挥功能根据语境不同有不同翻译Be prepared for every class and function at your peak as a good teacher。准备好每一堂课,做一个尽职（以最好状态教书）的好老师。