Arena used in a sentence

Arena in a sentence as a noun

I made a hockey arena in the snow.

Do you really want HN to be an echo chamber instead of an arena of civil discussion?

That's what we tolerate in the tech arena, start ups throwing lots of good and dumb ideas at the wall to see what sticks, evolution in action.

The dirty little secret is that startup scene is an arena and entrepreneurs are the gladiators.

I think the real problem here is all the regulatory and financial barriers to competing in the telecomm arena.

In practically every arena where minix could have established itself there are now formidable entities entrenched with mindshare, budgets and an installed base that minix can't even begin to touch.

Instead she fought the problem in its own arena by making a IRC-bot to combat the problem, and not only that: the IRC-bot is only selectively used in the exact situation that is seen as problematic and it does so by writing enlightening quotes!

The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.