那个孩子兴奋得手舞足蹈，嘴里叽里咕噜地说个不停。

The kid was so excited that he jumped around and ___gibbered nonstop.

他喝醉后说的全是胡言乱语，没人能听懂。

After getting drunk, he just spoke ___gibberish that no one could understand.