This is the 95th most frequent Armenian word.
քան
"Քան" means "than" or "as" (used for comparison).
Here, "քան" is used as a conjunction in a comparative structure to compare two activities, emphasizing the preference or better skill in one over the other.
Ես ավելի լավ եմ պարի մեջ, քան երգի մեջ։
I am better at dancing than at singing.
In this sentence, "քան" serves to connect a comparison between the cost and the expectation, showing a difference between them.
Գիրքը կարելի է գնել ավելի թանկ, քան սպասում էի։
The book can be purchased for a higher price than I expected.
Here, "քան" acts as a comparative conjunction, comparing the speed of completion with the anticipated pace.