YOU SAID:

The big giant cow is on me

INTO JAPANESE

大きな巨大な牛が私の上にいます

BACK INTO ENGLISH

there's a big giant cow above me

INTO JAPANESE

私の頭上に大きな巨大な牛がいます

BACK INTO ENGLISH

there's a big giant cow above my head

INTO JAPANESE

私の頭の上に大きな巨大な牛がいます

BACK INTO ENGLISH

there's a big giant cow on my head

INTO JAPANESE

私の頭の上には大きな巨大な牛がいます

BACK INTO ENGLISH

I have a big giant cow on my head

INTO JAPANESE

頭には大きな牛が乗っています

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a big cow on his head

INTO JAPANESE

頭に大きな牛が乗っている

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with a big cow on his head

INTO JAPANESE

大きな牛を頭に乗せて

BACK INTO ENGLISH

with a big cow on your head

INTO JAPANESE

頭に大きな牛を乗せて

BACK INTO ENGLISH

with a big cow on your head