I had no time to prepare.

我当时没时间准备。

《牛津词典》

Busy parents often don't have time to prepare dinner every night.

忙于工作的父母往往没有时间天天做晚饭。

youdao

Make time to prepare your own meals, preferably from fresh ingredients.

花时间准备做饭，最好是新鲜的食材。

youdao

He had little time to prepare. Still,he did so well that the New York Times newspaper published a story praising his effort.

VOA: special.2009.08.02

But he was happy it did. Now he had time to prepare his men for battle.

VOA: special.2009.10.15

Lincoln did not have much time to prepare his speech.

VOA: special.2009.11.05

Never ever, ever talk to reporters without giving yourself time to prepare your message.

FORBES: Creating And Conveying Your Media Message -Media Training

It's a lesson no one is prepared for, and ironically, you have no time to prepare.

CNN: Hockey player: What doesn't kill you ...

The river's slow pace has given emergency responders more time to prepare, forecasters said.

CNN: Jindal: Morganza Spillway could open as early as Saturday