YOU SAID:

oi you better struggle translating this!

INTO JAPANESE

これを翻訳するのに苦労したほうがいい!

BACK INTO ENGLISH

You'd better have a hard time translating this!

INTO JAPANESE

これを翻訳するのは難しい方がいいですよ。

BACK INTO ENGLISH

It's better to find it difficult to translate this.

INTO JAPANESE

これを翻訳するのは難しいと感じる方が良いです。

BACK INTO ENGLISH

It is better to find this difficult to translate.

INTO JAPANESE

これは翻訳するのが難しいと感じる方が良いです。

BACK INTO ENGLISH

It is better to find this difficult to translate.