It's surprising that he can run so fast.

Could you bring me that, whatchamacallit?

His build is very sturdy.

What? I couldn't catch what you said.

It's hard to say, but I think you're wrong.

He swung his long sword and defeated the enemy.

Please choose anything you want.

Do you have something to drink?

We need personnel who can handle any problem.

Above all, grammar is the most important in learning Japanese.