This is the 114th most frequent Italian word.
volte
"Volte" means "times" or "occurrences" in English.
In this sentence, 'volte' means 'times' as in occurrences or instances.
Sono stato in Italia molte volte.
I have been to Italy many times.
'Certe volte' here implies 'certain instances or aspects,' referring to moments or instances in life.
Ci vuole forza per affrontare certe volte della vita.
It takes strength to face certain aspects of life.
Here, 'A volte' means 'sometimes' and is used as an adverbial phrase.