YOU SAID:

drink ye rapidly and then slow

INTO JAPANESE

あなたは急速に飲んでから遅い

BACK INTO ENGLISH

you're slow from drinking rapidly

INTO JAPANESE

あなたは急速に飲むのが遅い

BACK INTO ENGLISH

You are slow to drink fast.

INTO JAPANESE

あなたは速く飲むのが遅いです。

BACK INTO ENGLISH

You are slow to drink fast.