düşürmelerini

düşürmelerini

"Their dropping (something)" or "their causing (something) to fall."

Here, 'düşürmelerini' refers to the action of them dropping something, specifically their phones.

Telefonlarını düşürmelerini istemiyorum.

I don't want them to drop their phones.

In this case, 'düşürmelerini' conveys the act of lowering or reducing, specifically the exam's difficulty.

Sınavın zorluk seviyesini düşürmelerini rica etti.

She requested that they lower the exam's difficulty level.

Here, 'düşürmelerini' is used to describe the action of them reducing the volume level.

Ses seviyesini düşürmelerini söylemek zorunda kaldım.

I had to tell them to lower the volume level.