Expression

Phrasal verb

A verb combined with one or two extra words that changes its meaning (look → look after, give → give up)

Two peas in a pod (idiom) – when two things are really similar and they go together very well

Figure out (phrasal verb) – to understand or calculate how something happens or how it works

Come to life (idiom) – to become active or interesting

---

Idioms

Phrases can be idiomatic. They are not literal, but figurative, and they are very common in everyday English. 

 

Last but not least:

The last thing mentioned on the list is just as important as any of the things mentioned before it.

"Last but not least is Dynamic ARP Inspection."

 

In the long run:

A result that won’t happen immediately, but much later in the future.

"It will take time to implement a key-based security system, but in the long run it will be much more secure and scalable."

 

Hard to crack:

Something that is difficult to understand, or a problem that is not easy to solve.

"A good encryption algorithm should be easy to use and hard to crack."

 

Keep in mind:(the back of your) mind / head:

You should think about something before you act.

"Keep in mind that you should not rely only on one external consultant."

 

Go the extra mile:

Somebody makes an extra effort to complete a task more thoroughly.

"Let’s go the extra mile and get a set of hardware keys for the process."

 

On a roll:

Someone is experiencing a period of success or good luck, or perhaps they have done several things that ended well or made a positive impact.

"You’re on a roll! Key-based passwords would mean a lot of configuration changes, though. You could raise it at the weekly department meeting, if you wanted to."

 

To cut corners

somebody is trying to do something faster by ignoring some important things. You can do the job faster, but there will be problems later.

"You will also quite often learn that people are trying to cut corners with some procedures."