Susan came to the party yesterday, but it was already half past eight when she turned up.

苏珊昨天来参加聚会了，但她来的时候已经八点半了。

youdao

We were looking for her when she turned up.

我们正在找她，偏巧她来了。

《新英汉大辞典》

One day she turned up in a packed schoolyard at break-time dressed as an Easter bunny, hopped around for a while, and then hopped off home.

一天课间休息时，她出现在人头攒动的操场，打扮成一个复活节兔子，蹦了一会，然后蹦着回了家。

youdao

Wearing a Canada team sweatshirt, a woolen cap and sunglasses, she picked up the gold medal, snapped a photograph and turned over the prize to see the back.

VOA: standard.2010.02.16

Much later, she turned up under a different name in Zhangjiagang, a port on China's Yangzi River.

ECONOMIST: Yo ho ho, and a bottle of rice wine

Walsh had been drinking when she turned up at Maire Rankin's door that Christmas Eve night in 2008.

BBC: 'Chilling act' - Rankin family on mother's killing

The Education Minister has apologised to the Speaker of the Assembly after she turned up too late to make an important statement.

BBC: Caitriona Ruane