конечно in inglese:

We arrived at the airport 30 minutes latr and, of course, we missed our plane

Are you sure?

Be sure to keep in mind that you're supposed to complete the work within a week.

All you need is ignorance and confidence and the success is sure.

After the hatchet job my boss did on my proposal, I'm not sure how long I want to keep on working here.

It's fine to set up a web page, just be sure you don't infringe anybody's copyright.

Tom doesn't drink much beer, but he sure drinks a lot of wine.

A clear conscience is the sure sign of a bad memory.

When someone becomes neurotic about pens and paper clips, it's a sure sign they're cracking up.

The man in charge of the merry-go-round decided to make sure everything was working properly.

Do you have any ideas on how we can make sure Tom sticks around until the job is finished?

This policy is sure to go a long way towards stimulating business.

Keep a close eye on Tom and make sure he doesn't get into any trouble.

When your friends begin to flatter you on how young you look, it's a sure sign you're getting old.

How about playing catch? "Sure, why not?"

Go first to those who you are sure will help you.

Certainly.

Certainly she wouldn't have dreamt that I would get up promptly without grumbling.

Translation is like a woman. If it is beautiful, it is not faithful. If it is faithful, it is most certainly not beautiful.

For, in reason, all government without the consent of the governed is the very definition of slavery: but in fact, eleven men well armed will certainly subdue one single man in his shirt.

There's no telling what kind of trouble this proposal might stir up. The result is certainly going to be something to see.

I have often observed how little young ladies are interested by books of a serious stamp, though written solely for their benefit. It amazes me, I confess; for, certainly, there can be nothing so advantageous to them as instruction.

If you say "I was tricked," well that's certainly so but there's no mistaking that you were the one who signed up on a "sweet deal".

Certainly if someone is _that_ beautiful you'd draw back from approaching her. "Thought you'd agree."

In fact, there is a joke about passport photos: If you really look like the picture in your passport, you certainly need a vacation!

We've got taller so they don't fit. "Right, it's certainly not that we've got fat!" "The useful phrase 'grown up' is our trump card."

I had a nagging feeling that the atmosphere resembled somebody and, now that you mention it, yes, you're right. Certainly ZZ TOP had this kind of feel.

If there are genuine differences between these two cultures, I think that the largest are certainly in what you think about foreigners studying your native language.

Certainly there are inequalities in level of education even within a generation, but there have been no visible inequities between machines and materials in recent years.

The Koran, far from being inimitable, is a literary work of inferior quality, as it is neither clear, nor understandable, nor does it possess any practical value and is certainly not a revealed book.

The act known as terrorism, that rips away from us in an instant our peaceful days of happiness, is certainly worthy of being called an enemy to all mankind.