to figure out; to realize the truth

listen to the pronunciation of to figure out; to realize the truth
English - Turkish

Definition of to figure out; to realize the truth in English Turkish dictionary

be on to
(Konuşma Dili) konuşmak
be on to
haberi olmak
be on to
haberdar olmak
be on to
{k} (birinin) ne halt/haltlar yediğini/karıştırdığını bilmek
English - English
be on to

I was planning it as a surprise, but I think he is on to me.