márpedig

Adverb

 * 1) however, but, surely, certainly, truly, yet, still, I'm telling you

Usage notes
No English equivalent, usually does not have a fixed pair in translations.

Said in the following cases:
 * when insisting that something is true (or should be)
 * when emphasizing that the statement of the sentence is evident for the speaker (also when describing an evident cause or reason for something)