After I hung up I remembered what I'd wanted to say.

我挂断电话之后才想起来原本想说的话。

《牛津词典》

After I hung up, I tried to concentrate on dinner — dicing the chicken.

等我挂了电话，我开始努力集中注意力准备晚餐——尤其是把鸡肉切丁的时候。

youdao

I could not help complaining to anybody who existed in the world after I hung up the phone.

我挂断电话之后，忍不住见人就发牢骚。

youdao

Literally a second after I hung up the phone, my customer service representative walked into my office for support on a client issue she was dealing with.

FORBES: Customer Service, Customer Service, Customer Service

After going round and round with her for about 10 minutes, I hung up the phone.

FORBES: How Someone From Accounting Can Kill Your Business