He copped out at the last moment.

他在最后一刻逃避了。

At the last moment her nerve failed her.

她在最后一刻失去了勇气。

We were going to Spain together and he cried off at the last moment.

我们说好了一起去西班牙的，但他在最后一刻打了退堂鼓。

She deferred her departure until the last moment. / She did not set off until the last moment.

她拖到最后一刻才出发。

Arrange everything in advance so that you won’t be in a rush at the last moment/when the time comes.

事先做好准备，免得临时手忙脚乱。

Don't leave it to/till the last moment.

不要把它留到最后一刻。

He chickened out at the last moment.

他在最后关头胆怯了.

William got cold feet at the last moment.

威廉最后感到很沮丧。

I didn't vary my plan at the last moment.

我在最后一刻没有改变我的计划。

He always comes rushing up at the last moment.

他往往到最后的一瞬间才急忙赶来。