[dān ge]

I stayed in Beijing for two days when I was on my official business.
我公出時， 在北京耽擱了兩天。

I won't be here for long.
我不打算在這里耽擱多久。

admit of no delay
不得耽擱

without delay
毫不耽擱

Not a single minute is to be lost.
一分鐘也不能耽擱。