what they say
Is what they're saying true?
You know what they say.
Do what they say.
Tu comprends ce qu'ils disent ?
Do you understand what they're saying?
Je ne comprends pas ce qu'ils disent.
I don't understand what they're saying.
Je ne parviens pas à entendre ce qu'ils disent.
I can't make out what they're saying.
That's what they all say.
Je ne comprends toujours pas ce qu'ils disent.
I still don't understand what they're saying.
Tu sais déjà ce qu'ils disent.
You already know what they say.