This is the 16487th most frequent Turkish word.
yaşamadığını
"Yaşamadığını" means "that (he/she/it) did not live" or "that (he/she/it) has not lived."
In this sentence, "yaşamadığını" means 'that he hasn't experienced' when referring to not having lived through or explored the beauties.
O, şehrin güzelliklerini yaşamadığını söyledi.
He said that he hasn't experienced the beauties of the city.
Here, "yaşamadığını" is used to convey 'that he hasn't felt or encountered' in the context of being affected by an event.
Bu olayın etkilerini hala yaşamadığını düşünüyorsun.
You think that he still hasn't felt the effects of this event.
In this case, "yaşamadığını" expresses 'that he hasn't experienced' with regard to a past event or occurrence.