Was heißt »rostig« auf Englisch?

Das Adjektiv rostig lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Ich kann dieses Messer nicht schärfen. Es ist zu alt und rostig.: I cannot sharpen this knife. It's too old and rusted.
Er fand sein Ende in einer rostigen Bärenfalle.: He met his end in a rusty bear trap.
Er hat sich an einem rostigen Nagel wehgetan.: He hurt himself on a rusty nail.
Tom hat sich an einem rostigen Nagel wehgetan.: Tom hurt himself on a rusty nail.
Abgesehen von einem rostigen Rohr war das Netz leer.: Apart from a rusty pipe, the net was empty.
Dein Messer ist rostig.: Your knife is rusty.
Im Schloss steckte ein rostiger Schlüssel.: A rusty key was set in the lock.
Das rostige Vorhängeschloss fiel unter ihrer Berührung ab.: The rusted padlock fell away at her touch.

My Spanish is a bit rusty.
The walls of the house are pale yellow, the shutters russet red.
Your skills will get rusty if you don't use them.
Knowledge gets rusty if you don't use it.
My maths is a bit rusty.
The rusty-spotted cat is the smallest feline in the world.
Your bike's chain has got rusty.
Your bike's chain has gone rusty.
How did you get this rusty junk approved by the Technical Inspection Association?
I'm afraid my imagination is a little rusty–it's so long since I used it.
I'm a bit rusty.
Mars is red because of rusty iron in the ground.
My French is pretty rusty, too.
They were unable to prise open the box because it was too rusty.
The key was so rusty that they couldn't use it anymore.
My French is getting rusty.
My French is a little rusty.
My Latin is getting rusty.
He's a little rusty.
My math is a little rusty.