That's followed by the final dramatic element—the denouement or the resolution, when all the loose ends have to be tied up in a logical way.

接下来是最后一个戏剧元素——结局或决议，这时所有开放的情节都必须按符合逻辑的方式联系起来。

youdao

I'm afraid I'll be tied up until 7 o 'clock.; I'm afraid I won't be free until 7 o 'clock.

我七点钟以前恐怕抽不出身来。

《新英汉大辞典》

I'm afraid I'll be tied up tomorrow morning.

恐怕明天上午我会很忙。

youdao

The deal is expected to be tied up on 30 January, subject to regulatory approval.

BBC: Shareholders back AG Barr and Britvic merger

Yet the campaigners are optimistic these loose ends will be tied up, or at least fudged.

ECONOMIST: Cluster weapons

Meanwhile this summer many British Columbian fishermen will be tied up at the dock while Alaskans scoop up coho.

ECONOMIST: Canada