grease monkey
US /ˈɡriːs ˌmʌŋ.ki/
UK /ˈɡriːs ˌmʌŋ.ki/

1.
Schrauber, Automechaniker
a mechanic, especially one who works with cars or other vehicles and often gets dirty
:
•
My brother is a real grease monkey; he loves working on old cars.
Mein Bruder ist ein echter Schrauber; er liebt es, an alten Autos zu arbeiten.
•
The old grease monkey at the garage can fix anything.
Der alte Schrauber in der Werkstatt kann alles reparieren.