He frightens me when he drives so fast.

You'll frighten the baby wearing that mask.

The noise frightened me to death/out of my wits (= gave me a severe fright).

2 frighten sb into sth to make someone so frightened that they do sth. they did not want to do

frightened

adj. feeling afraid or nervous:

She gets frightened when he shouts at her.

The policewoman found a frightened child in the hut.

Are you frightened of spiders?

I was frightened (that) you would fall.

Don't be frightened to complain if the service is bad.

frightening

adj. making you feel fear:

a frightening thought

a frightening film

It is frightening to think what might happen if she left him.

4. ..., at a speed of 40,000 kilometres per second!(P58)

at full/top speed/at speed/with great/good speed以全速

at a speed of以...的速度

at a safe/dangerous/law/high以安全/危险/低/高的速度

pick up/gather speed 加快速度 More haste, less speed.欲速则不达.

New maglev(磁力悬浮火车) train nowadays can travel at an amazing speed of 430 km/h.

at top speed: as fast as possible:

The train thundered through the station at top speed.

He was driving at full speed down the motorway when it happened.

speed (sth) up phrasal verb: to happen or move faster, or to make sth. happen or move faster:

This drug may have the effect of speeding up your heart rate.

Can the job be speeded up in some way?

The tape speeded up towards the end.