YOU SAID:

Their understanding of the English language is quite well

INTO JAPANESE

英語の言語の理解は非常によく

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Very good understanding of the English language

INTO JAPANESE

英語の非常に良い理解

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Good English understanding

INTO JAPANESE

英語をよく理解

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Understand English well

INTO JAPANESE

英語をよく理解します。

BACK INTO ENGLISH

Understand English well.

INTO JAPANESE

英語をよく理解します。

BACK INTO ENGLISH

Understand English well.