Really

действи́тельно

dejstvítelʹno

(actually)

пра́вда

právda

(informally, as an intensifier; very, very much)

в са́мом де́ле

v sámom déle

(indicating affirmation, agreement)

в са́мом де́ле

v sámom déle

(indicating displeasure at another person's behaviour)

да

da

(indicating affirmation, agreement)

да ла́дно

da ládno

(sarcastic, typically exaggerated question)

да?

da?

(indicating surprise at, or requesting confirmation of, some new information)

действи́тельно

dejstvítelʹno

(indicating affirmation, agreement)

на са́мом де́ле

na sámom déle

(indicating displeasure at another person's behaviour)

пра́вда?

právda?

(indicating surprise at, or requesting confirmation of, some new information)

ра́зве?

rázve?

(indicating surprise at, or requesting confirmation of, some new information)

серьёзно?

serʹjózno?

(indicating surprise at, or requesting confirmation of, some new information)