YOU SAID:

I have cold feet and a big head full of knowledge

INTO JAPANESE

私は冷たい足と大きな頭で知識がいっぱいです

BACK INTO ENGLISH

I'm full of knowledge with cold feet and a big head

INTO JAPANESE

冷たい足と大きな頭で知識が豊富です

BACK INTO ENGLISH

Knowledgeable with cold feet and a big head

INTO JAPANESE

知識は豊富だが足は冷たくて頭が大きい

BACK INTO ENGLISH

He has a lot of knowledge, but his feet are cold and his head is big.

INTO JAPANESE

知識は豊富だが、足は冷たくて頭は大きい。

BACK INTO ENGLISH

He has a wealth of knowledge, but his feet are cold and his head is big.

INTO JAPANESE

知識は豊富だが、足は冷たくて頭は大きい。

BACK INTO ENGLISH

He has a wealth of knowledge, but his feet are cold and his head is big.