I need to speed up to catch up with him.

我必须加快速度才能赶上他。

We need to speed up to catch up with them.

我们需要加快速度才能赶上他们。

He had to speed up to complete the overtaking maneuver.

他不得不加速以完成超车动作。

We need to speed up to catch up with the group ahead.

我们需要加快速度才能追上前面的队伍。

Up to speed Operating at maximum speed.

以最快的速度运行

Get me up to speed, Colonel.

告诉我最新进展，上校。

I'm not up to speed on these issues yet.

我对这些事情还不熟悉。

He got up to speed on the recent developments.

在最近的发展中,他加快速度.

The cost of bringing the chosen schools up to speed

使选定的学校达标所需的费用

I had to get up to speed pretty fast at work.

我必须相当快速地追上来在工作。