No, she hasn't learned how to do it yet.
ni hao kailan
Tolee, Hoho, Yeye (don't know the spelling), Mr. Bakery
Ni hao Ni hao bu hao
"Ni Hao" means "hello" in Chinese. To respond, you can say "Ni Hao" back.
Because they haven't made a new episode where she learns how to do it yet.
Hao! wo hen hao, ni zhenme yang ?
'ni hao ma' means 'how are you' and 'bu hao' means 'not good'
你好 ni hao
ni hao pronounced knee how
Kailan is Chinese, not Japanese. ^^
Ni Hao is hello Ni Hao Ma is how are you
The Whistling Forest Pixie teaches Kai-Lan to whistle in the 'Ni Hao Kai-Lan' season 3 episode 'Whistling in the Wind'.