YOU SAID:

The idiot didn't know his way around

INTO JAPANESE

白痴の周りに彼の方法を知っていません。

BACK INTO ENGLISH

Don't know his way around the idiot.

INTO JAPANESE

白痴の周りに彼の方法を知らない。

BACK INTO ENGLISH

Do not know his way around the idiot.

INTO JAPANESE

白痴の周りに彼の方法を知っていますか。

BACK INTO ENGLISH

Knows his way around the idiot?

INTO JAPANESE

白痴の周りに彼の方法を知っていますか。

BACK INTO ENGLISH

Knows his way around the idiot?