at the last minute

基本解释

Mr White had promised to cooperate with us, but he cried off at the last minute.
怀特先生本来答应与我们合作，但最后一刻打了退堂鼓。
Aim to finish the presentation in allotted slot of time – and you won't be rushed at the last minute, and unable to convey your arguments/points.
以在分配好的时间内完成演示为目的，这样你就不会直到最后一刻还匆匆忙忙，以致无法传达出你的论据或是见解。
I’m not saying you should ignore your classes until the last minute (please don’t —I rarely studied at the last minute myself), but it’s good to know there is a way to save yourself if you do.
我并不是说你可以忽视你的学业直到最后一刻(请不要这样 -- 我自己也很少临时抱佛脚), 但如果你这样做了这不妨也是最后一招.

Play it by ear also means to decide what to do at the last minute instead of making detailed plans.
But at the last minute he found a place to land and get gas.
Some people thought Lincoln would withdraw the proclamation at the last minute.

Chairman RoyBostockRoy Bostock was scheduled for June 30, but Ballmer canceled at the last minute.
FORBES: Magazine Article