This is the 5331st most frequent Turkish word.
kazanamayacağını
"That you cannot win."
Here 'kazanamayacağını' is used in a subordinate clause to express someone's expectation about another's inability to win.
Bu yarışı kazanamayacağını düşündüm.
I thought you would not win this race.
In this sentence, 'kazanamayacağını' conveys a known fact about inability to win in a concessive clause.
Kazanamayacağını bildiğimiz halde denemekten vazgeçmedik.
Even though we knew you wouldn't win, we didn't give up trying.
Here, 'kazanamayacağını' is used to present a realization or awareness about the unlikelihood of winning.