This is the 269th most frequent Hungarian word.
talán
Perhaps.
In this sentence, 'talán' expresses uncertainty about the speaker's intention to attend the party.
Talán el kellene mennem ma este a buliba.
Maybe I should go to the party tonight.
Here, 'talán' suggests a possibility that the person might be able to offer assistance.
Talán ő tud segíteni nekünk ebben a probléma megoldásában.
Perhaps he can help us solve this problem.
In this usage, 'talán' indicates that there is a chance the idea is superior to the initial thought.