WenQing, You are so brilliant!!! Your EQ and IQ must be very high!!! I enjoyed your broadcast so much. I wish more are coming.
I know you are bricks lover, so here are some:
Hiatus: /ei/ not /i/
previous: not previours
vicious: not viciours
style: /ai/, a little bit off
up: is reverse V, not /a/
group: r is over done