5. This is more like “Engrish” funny
The guy who wrote the sign might be lost in translation, or he simply used a basic tool like Google Translate and then quickly sent it to the printer. Who knows; maybe he did a part-time job and the wage was pretty low. Poor guy! I wouldn’t want to be in his shoes!
However, this could be a warning sign that you should carefully step into the shower because maybe some guests have fallen and died here, and the hotel wanted to let you know the floor can become extremely slippery very quickly. On a funnier note, everyone knows how unpleasant it is to clean up after an awkward death, so be careful!