瞎摆弄

Nobody is allowed to monkey about with all these precision instruments!

不允许任何人瞎摆弄这些精密!

If you go on fooling with that gun, there'll be an accident.

果你继续瞎摆弄那枝枪, 就会发生意外。

Guns are not to be fooled with.

枪是不瞎摆弄的。