How on earth did you find this orbital? In addition to being hilarious, it's a brilliant concept. The comments from the site are priceless too, especially this, which seems to be an actual quote from Avril:

引用：Im making yet this Mandarin Chinese version for the 3rd single "HOT",you know it's REALLY difficult for me about the pronunciation.I wonder if you guys can figure out what I am singin' and haha how about my chinese =] www.6park.com

This Mandarin version to give specially thx for your support to me,I will keep rocking with my music & more surprise appearances.NEE ZHEN SHI DO WOO HOOW!

--end

muhahaha,中国市场的力量。

Have to respect a working musician. For someone with no mandarin training I think she actually does pretty well. Can't make any sense of the bit that goes from 0:54-0:58 ("I've got to get to class?"), but the rest is intelligible.