YOU SAID:

translated in a party was a little baby who crawled into my lap last night

INTO JAPANESE

パーティーで翻訳されたのは昨夜私の膝にcった小さな赤ちゃんだった

BACK INTO ENGLISH

What was translated at the party was a little baby on my knee last night

INTO JAPANESE

パーティーで翻訳されたのは昨晩膝の上で小さな赤ちゃんだった

BACK INTO ENGLISH

It was a little baby on the lap last night translated at the party

INTO JAPANESE

昨夜のパーティーで翻訳された膝の上に小さな赤ちゃんだった

BACK INTO ENGLISH

Was a little baby on the knee translated at last night's party

INTO JAPANESE

昨夜のパーティーで翻訳された膝の上の小さな赤ちゃんでした

BACK INTO ENGLISH

Was a little baby on the knee translated at a party last night

INTO JAPANESE

昨晩のパーティーで翻訳された膝の上の小さな赤ちゃんでした

BACK INTO ENGLISH

Was a little baby on the knee translated at a party last night