"I do not understand what you are saying."

Translation: Я не понимаю, что ты говоришь.

[n9yty]

Why not: Я не понимаю то, что вы говорите... ?

[spokospoko]

I thought something similar: Я не понимаю того, что вы говорите.

[blang9392]

Why can it not be скажишь here? Is that a matter of tense?

[Berniebud]

Yes, "Скажешь" would mean "(you) will say".

"Сказать" is a perfective verb, which means it can't be used in the present tense. If you conjugate it like a present tense verb, it becomes future tense.

[F4yY9kZj]

If I want to insert an extra pronoun, should it be 'to' or 'togo'? (Я не понимаю то/того, что ты говоришь.)

[PaulRobert667871]

How would the Russian differ from the English, "I don't understand - what are you saying?" I thought the correct sentence would rather be "я не понимаю то, что ты говоришь"

[Tyler476383]

Where's the то?

[Neon_Iceberg]

"Я не понимаю, что ты говоришь" is fine and a correct choice.

[Guenter212784]

Sure this might be OK but it does not explain why я не понимаю то, что ты говоришь is not possible as well. In other cases similar constructions are demanded and accepted, so where is the difference?

[Zombie499410]

What is the difference between сказать and говорить?

[Neon_Iceberg]

"Сказать" = "say"

"Говорить" = "speak"

Ты говоришь по русски? Можешь сказать эту фразу по русски?

Do you speak Russian? Can you say this phrase in Russian?