Is tip of your tongue when pronouncing 吃[chī] in the same position as 汁[zhī]?
What are the positions of your tongue when pronouncing 吃[chī] and 汁[zhī]?

Question

Is tip of your tongue when pronouncing 吃[chī] in the same position as 汁[zhī]?
What are the positions of your tongue when pronouncing 吃[chī] and  汁[zhī]?

Answer

http://zh.wikipedia.org/wiki/%E7%A9%BA%E9%9F%BB

Answer

zh: /tʂ/

ch: /tʂʰ/

The only difference is aspiration. For the pronunciation of /ʂ/ check this out:

http://en.wikipedia.org/wiki/Voiceless_retroflex_sibilant

Answer

the gesture and position of tongue of "zh" "ch" and "sh" are exactly the same. so u r right.

Answer

the difference is like when you pronounce ㅊandㅈ but then need to also pronounce  letter r in english(attention no in korean way)

ㅊr으 ---> chī
ㅈr으 ---> zhī

good luck..

Answer

只 吃 是 are exactly the same