They haven't set a date for their wedding yet.

他们还没有确定婚期。

《牛津词典》

They prepared for their wedding.

他们为婚礼做着准备。

youdao

They have named a date for their wedding.

他们已经订好的婚礼的日期。

youdao

For example, a woman might get angry at her husband for coming home late or forgetting their wedding anniversary.

VOA: special.2010.05.30

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My sons are now engaged to be married and I am busy preparing for their wedding ceremonies.

BBC: Um Samir

It was more than two years ago that Joanne Shane(ph) and Mary Joe Kennedy(ph) dressed for their wedding day.

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