let the genie out of the bottle别理解成“让妖怪出了瓶子”，真实含义是带来难以遏制的恶果。

【例句】 When I told her the secret, I let the genie out of the bottle.
我把秘密告诉她的时候，便带来了一系列难以遏制的恶果。

As for unconventional weapons, the genie is unfortunately already out of the bottle.
至于非常规武器，不幸的是带来难以遏制的恶果。