I only use that on special occasions, so it's as good as new.

我只在特殊场合用，所以它完好如新。

《柯林斯英汉双解大词典》

youdao

The EAT report presumes that "traditional diets" in countries like India include little red meat, which might be consumed only on special occasions or as minor ingredients in mixed dishes.

EAT 的报告认为，像印度这样的国家“传统饮食”里很少红肉，这些肉可能只在特殊场合食用，或者作为混合菜肴中的少量配料。

youdao

This ballet was a kind of social dance that was performed during special occasions.

VOA: special.2011.01.26

I think also special occasions maybe, if you go to a Royal Ascot.

也可能是去特别的场合，比如去皇家赛马会。

英国皇家赛马会 - SpeakingMax英语口语达人

But her mother interrupts to say that Hiba does wear her jewelry for special occasions.

NPR: Being Rich, and Careful, in Liberated Iraq

Sure, once in a while, on special occasions, I'll throw a cookie or two in the bag.

NPR: Hide the Hot Fudge

The report often recommends of its preferred bottles "use with an appreciative audience" or "special occasions only".

BBC: UK government's tasting notes reveal wine diplomacy