Youth vanishes quickly, old age arrives quickly.
He speaks Na'vi fluently.
We need to solve the hammock problem quickly.
This tree only grows (i.e., germinates, develops) near a river. It grows (i.e., gets big) very quickly.
Be careful, son. The river is flowing very swiftly.
When there is strong wind, you can see waves on the water.
Ride hard, warriors, so you can get there fast!
Let's cut up this hexapede quickly.
He runs at an incredible level, faster than anyone else.
Ralu, help her! Quick! She's not breathing!
This drink tastes horrible, so you'd better swallow it quickly.
May Eywa heal you quickly.