How to say “Somebody hung the restroom sign upside down as a joke, and half the new recruits tried the wrong door.” in Japanese
In Japanese
誰かがふざけてトイレの案内表示を逆さまにかけたせいで、新人の半分が違うドアを開けようとした。
Dareka ga fuzakete toire no annai hyōji o sakasama ni kaketa sei de, shinjin no hanbun ga chigau doa o akeyō to shita.