They flung themselves into the preparations for the party.

他们一心一意地准备聚会。

《牛津词典》

She busied herself with the preparations for the party.

她忙于准备晚会。

《牛津词典》

Unless you plan to have a party centered around the kitchen (or BBQ), you don't want to be tied to last minute preparations.

如果你组织的不是那种围着厨房开展的聚会(或者烧烤)，你应该不希望自己到最后时刻还在忙手忙脚地做准备吧。

youdao

His trip would extend over more than Within a few days of the dinner party, Robert Fulton began his preparations.

VOA: special.2009.01.14

Baroness Billingham, for Labour, confirmed cross-party backing for the 2012 preparations and echoed peers' "concerns" about budget cuts.

BBC: Olympics debate

For when we meet the house is abuzz with preparations for the weekend's big event: A shooting party, which will attract the cream of British society.

CNN: STORY HIGHLIGHTS

But as Yugoslavia began to disintegrate his party, which took directions from Serbia's authoritarian leader, Slobodan Milosevic, made preparations for war, distributing arms provided by the Yugoslav army.

ECONOMIST: Radovan Karadzic