"get up a head of steam" in Chinese (Simplified)
Definition
逐渐积聚动力、积极性或动力去做某事；最初指蒸汽机车需要积攒蒸汽才能加速前进。
Usage Notes (Chinese (Simplified))
口语表达，略显老派，但依然在用。多用于形容人或事物一开始慢慢推进，然后突然加快速度。常和“finally”、“really”搭配使用。注意不是字面意思，并不是真的有蒸汽。
Examples
It took a while for the team to get up a head of steam, but now they're working fast.
团队花了一些时间才**积聚动力**，但现在他们做事很快。
Habits are hard to start, but once you get up a head of steam, it's easier to keep going.
习惯难以开始，但一旦**积聚能量**，继续就更简单。
He finally got up a head of steam on his project after weeks of planning.
他经过几周规划后，终于在项目中**积聚了动力**。
Once she got up a head of steam, nothing could stop her from finishing the race.
一旦她**积聚动力**，决赛中就没人能拦住她。
We just needed a bit more time to really get up a head of steam and finish the job.
我们只需要多一些时间来**积累能量**，就能完成工作。
At first, the band struggled, but after a couple of songs they got up a head of steam and the crowd loved them.
一开始乐队有些挣扎，但几首歌后他们**积聚动力**，观众都喜欢他们了。