впевнений Englisch:

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.