We spent years travelling around in a rusty old van.

我们多年来都开着一辆生锈的旧货车四处旅行。

...a rusty iron gate.

生锈的铁门

...skills which have gone rusty since the previous winter.

从去年冬天开始就荒废了的技术

You may be a little rusty, but past experience and teaching skills won't have been lost.

你可能有一点生疏，但是过去的经验和教学技巧是不会丢的。

Her hair was rusty brown.

她的头发是深褐色的。