叫人赶快行动to urge

• 催回信

  press for a response

• 紧催

  press someone hard

• 催他快办。

  Urge him to get it done quickly.

• 用不着催他。

  There's no need to hurry him.

• 车轮的声音催人入睡。

  The sound of wheels lulls people to sleep.

使加快to speed up