YOU SAID:

Translating complex and complex conversation from English to Japanese, or vice versa, is usually quite difficult.

INTO JAPANESE

複雑で複雑な会話を英語から日本語に、またはその逆に翻訳することは、通常、非常に困難です。

BACK INTO ENGLISH

It is very difficult.

INTO JAPANESE

- 非常に困難です - 困難？

BACK INTO ENGLISH

It is very difficult.