YOU SAID:

The Japanese side all seemed relieved at my Japanese, as their English all seemed somewhat rudimentary.

INTO JAPANESE

彼らの英語はすべてやや初歩的であるように見えたので、日本側はすべて私の日本語に安心していたようだ。

BACK INTO ENGLISH

All of their English seemed somewhat primitive, so it seems that all Japanese were relieved in my Japanese.

INTO JAPANESE

彼らの英語はすべてやや原始的に見えたので、すべての日本語は私の日本語で安心したようです。

BACK INTO ENGLISH

All their Japanese seems to be relieved in my Japanese because their English seemed somewhat primitive.

INTO JAPANESE

彼らの英語はやや原始的だったので彼らの日本語はすべて私の日本語で安心しているようです。

BACK INTO ENGLISH

Because their English was a little primitive, their Japanese seems to be relieved in all my Japanese.

INTO JAPANESE

彼らの英語は少し原始的だったので、彼らの日本語は私のすべての日本語で安心しているようです。

BACK INTO ENGLISH

Because their English was a bit primitive, their Japanese seem to be relieved in all my Japanese.

INTO JAPANESE

彼らの英語は少し原始的だったので、彼らの日本語は私のすべての日本語で安心しているようです。

BACK INTO ENGLISH

Because their English was a bit primitive, their Japanese seem to be relieved in all my Japanese.