I don't understand what this word means. Can anyone help

i don’t understand what this word means. Can anyone help me?

@clarinazi - 할 줄 means “how to do”. It’s part of a grammar pattern, where you say you either “know how to do” or “don’t know how to do”.

Find more here:
http://www.koreangrammaticalforms.com/entry.php?eid=0000001056
http://www.koreangrammaticalforms.com/entry.php?eid=0000001058