In Chinese, how do you say...
"I am shy about trying to speak Chinese?"
And
"I can't say much in Chinese."

Question

In Chinese, how do you say...
"I am shy about trying to speak Chinese?"
And 
"I can't say much in Chinese."

Answer

I am shy about trying to speak Chinese.
我尝试说中文的时候有点害羞。
wo chang shi shuo zhong wen de shi hou you dian hai xiu.

I can't say much in Chinese.
我不能说很多中文。
wo bu neng shuo hen duo zhong wen .

Answer

"I am shy about trying to speak Chinese?"
直接翻译：我尝试说中文很害羞      加强翻译：我不是挺敢说中文
"I can't say much in Chinese."
直接翻译：我中文不能说太多         加强翻译：我不能说太多中文

Answer

"I am shy about trying to speak Chinese?"

想說中文 但羞於啟口

And 
"I can't say much in Chinese."

拙於以中文表達 / 不擅長以中文表達

Answer

没事的，多说，你会棒的！

Answer

"I am shy about trying to speak Chinese?"=我说中文很害羞=wǒ shuo zhong wen hen hai xiu

"I can't say much in Chinese."=我不会说太多中文(wǒ bú huì shuō tài duō zhōng wén)=我只会说一点中文(wǒ zhǐ huǐ shuō yì diǎn zhōng wén )=我会说的中文不多(wǒ huì shuō de zhōng wén bù duō)
 Hope it works~