szybko biegać po angielsku:

He's fast.

Malicious gossip spreads like wildfire. I guess that's why they say bad news travels fast.

We drove too fast to enjoy the beautiful scenery.

At first, I had difficulty understanding people when they spoke too fast.

The urban population in most developing countries is increasing very fast.

I wish you wouldn't drive so fast. You're making the baby sick!

You're speaking a little too fast for me. Would you speak a little more slowly?

A good ballboy or ballgirl must be able to concentrate hard and run fast.

Fast is the opposite of "slow."

It was surprising to see how fast the child grew up.

A fast child may win the race, but even a slow child can compete.

A fast walker can walk six kilometers in an hour.

What's your favorite fast food restaurant?

Tom loves coming here since he thinks this place serves the only fast food worth eating.

What surprised me most about that accident is how fast the lawyers arrived on the scene.

We ran a hundred-meter dash.

The rain stopped just long enough for me to dash into the cafe without getting wet.

a dash of salt

Coffee with a dash of milk please

Sometimes you can use a dash instead of a comma

Don't dash off a sloppily written report filled with mistakes.

In a hundred meter dash she started last but soon caught up with the others.

where are you dashing?

I dashed straight round to hospital.

he wooed her with the confident dash of a cavalry officer

In a fit of rage James had dashed the priceless vase to the ground.

My mother, when she still cooked, always added a dash of sugar to the vegetables she stir-fried.

Definition if you dash somewhere, you go there in a hurry because you do not want to be late and you do not have much time to get there

I made a dash for the ​bathroom. / There was a ​mad dash for the ​exit.

She really cut a dash in her pink evening gown.