请告诉我 非专业人员请勿拆机维修 这句话如何译成英文啊，谢谢了！！

Only to be opened and repaired by the professionals.

Disassembling or maintenance must not be conducted by non-professionals.

Laypeople or unprofessional worker please don't apart to repair this machine.
:)
乱翻的

don't open or repair the machine without technican.