Please don't touch anything without any knowledge.
Please keep your hands off unless you know anything about how to do with it.
Please don't play with it without any knowledge.
"無闇にいじっちゃだめ"
無暗に、 without any knowledge
いじるな、あわるな、don't play with, don't touch, keep your hands off
～しない限りは unless （接続詞） ~
Please don't touch anything without any knowledge.
Please keep your hands off unless you know anything about how to do with it.
Please don't play with it without any knowledge.
日本 
