This is the 324th most frequent Hungarian word.
tartani
To hold, keep, or maintain.
Here, 'tartani' is used in the sense of 'to hold or maintain', indicating maintaining attention.
Az edző megpróbálta tartani a tanítványai figyelmét.
The coach tried to hold the attention of his students.
Here, 'tartani' is used to describe duration, meaning 'to last' or 'to take time'.
Az előadás fél óráig fog tartani.
The presentation will last for half an hour.
In this context, 'tartani' means 'to hold', referring to physical or emotional support.