A husband, after finally receiving some time off, accompanies his wife on a shopping trip. Along the way, he receives an invitation from a friend to go out for drinks. To avoid upsetting his wife, he replies to his friend in a bathroom stall, but then he notices some creepy writing on the wall...
shaking the thin stall 
walls like an earthquake.
وتهزّ جدران المقصورة الرقيقة وكأنّها زلزال
Und die kleine Kabine wurde
geschüttelt wie bei einem Erdbeben.
scuotendo le sottili pareti della toilette
come se ci fosse un terremoto.
as paredes da cabine 
praticamente como um terremoto.