Sort of & Kind of

source: English Lessons with Alex  2012年5月4日
http://www.engvid.com/ "I'm kind of tired." "I'm sort of tired." What do these sentences mean, and what's the difference between them? If you're kind of confused about these words and how to use them, watch this free lesson. It might be kind of useful to you! Go to http://www.engvid.com/sort-of-kind-of/ to take the quiz.