This is the 18th most frequent Latvian word.
vairāk
"Vairāk" means "more" in English.
Here, 'vairāk' is used to mean 'more' in the context of acquiring additional knowledge.
Man patīk mācīties, jo tad es varu uzzināt vairāk.
I enjoy learning because I can learn more then.
In this sentence, 'vairāk' implies an excess or surpassing of a previously established limit.
Tu nevari prasīt vairāk nekā viņš jau ir devis.
You cannot ask for more than he has already given.
Here, 'vairāk' indicates the need for additional information compared to what is currently available.