People attending the event wore wild clothing and took part in a competition for best costume.

VOA: special.2009.10.30

Yeats is throwing off his early work as if throwing off a kind of costume.

叶芝抛弃了他的早期作品,就像抛弃一件外套一样。

耶鲁公开课 - 现代诗歌课程节选

This is Yeats in costume, costumed as a figure from Irish myth, as an ancient bard, mad King Goll, which is the furthest thing from a modern poet.

穿着奇装异服的叶芝，打扮成爱尔兰传说中的人物，过去的吟唱诗人，疯癫的郭尔王，他与这位现代诗人相隔甚远。

耶鲁公开课 - 现代诗歌课程节选

In a way, Yeats is always in costume.

从某种程度上说，叶芝常作此装扮。

耶鲁公开课 - 现代诗歌课程节选