system

Not only this system but that one needs widening out, too.

We have to weigh the cost of the new system against the benefits it will bring.

 

theory

Have you tested out this new theory?

My theory is established on the solid basis of facts.

 

violent

The medicine produced a violent reaction.

The speaker lashed the young people into violent action.

 

in time

They made the station in time to catch the train.

The driver clapped on his brakes when he saw the child, but he failed to stop in time.

 

unlike

Unlike the other levels, there is no escape at this level.

However, unlike those frameworks, it does not require you to use this approach.

 

harmful

We ought to reason why it is harmful to health to eat too much.

Food fraud, like other fraud, plays a harmful role, because it directly threatens the health and safety of consumers.

 

lay eggs

Occasionally, hens lay eggs with imperfect shells or without shells altogether.

Female moths cannot distinguish between the two types of maize and so lay eggs on both.

 

exist

You can't exist by hope alone.

We do not exist in the body. The body exists in us.

 

give birth to

The actual result of your action gives birth to confidence.

In the beginning, we thought that my wife would give birth to twins, but more fetuses were discovered.

 

in one’s turn

In my turn, I told them a joke.

Please get on in your turn by punching tickets.

 

prevent … from

We must prevent the trouble from spreading.

How do you prevent this from happening?

 

pull

You push and I'll pull.

She went into the garden to pull a few onions for dinner.

 

cheer up

He encouraged the family to cheer Up.

Cheer up! Our troubles will soon be over.

 

now that

Now that he'd come to the door, he thought he might as well go in with the others to have a look.

Now that we know the basis of an attack, what can we do to protect ourselves from this vulnerability?

 

break out

Some pandemic disease may break out in a heavily polluted area.

Every day you should be finding opportunities to break out of your shell.

 

watch out

I watch out for them.

Watch out for bone thieves : Too much salt and alcohol can sap the strength from your bones.