YOU SAID:
I can't tell you just how much I love tacos.
INTO JAPANESE
私はタコスがどれだけ好きであるかを伝えることはできません。
BACK INTO ENGLISH
I can not tell you how much I like tacos.
INTO JAPANESE
私はタコスがどれくらい好きなのかは分かりません。
BACK INTO ENGLISH
I like tacos but how much I don't know.
INTO JAPANESE
タコスが、私は知らないどのくらいが好きです。
BACK INTO ENGLISH
I don't know how much you like tacos.
INTO JAPANESE
私はタコスが好きなどのくらいか分からない。
BACK INTO ENGLISH
I love tacos and don't know much.
INTO JAPANESE
私はタコスを愛し、あまり知らない。
BACK INTO ENGLISH
I love tacos and don't know much.
That didn't even make that much sense in English.