YOU SAID:

The mechanic fixed the car of the mechanic

INTO JAPANESE

メカニックはメカニックの車を固定した

BACK INTO ENGLISH

The mechanic fixed the mechanic's car.

INTO JAPANESE

整備士は整備士の車を修理した。

BACK INTO ENGLISH

The mechanic repaired the mechanic's car.

INTO JAPANESE

整備士は整備士の車を修理した。

BACK INTO ENGLISH

The mechanic repaired the mechanic's car.