քան

In a sentence

• Ես ավելի լավ եմ պարի մեջ, քան երգի մեջ։

  I am better at dancing than at singing.

  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.

• Գիրքը կարելի է գնել ավելի թանկ, քան սպասում էի։

  The book can be purchased for a higher price than I expected.

  In this sentence, "քան" serves to connect a comparison between the cost and the expectation, showing a difference between them.

• Աշխատանքը կատարվեց ավելի արագ, քան ենթադրվում էր։

  The work was completed faster than expected.

  Here, "քան" acts as a comparative conjunction, comparing the speed of completion with the anticipated pace.