If you don't mind, you can use my car.

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

We need personnel who can handle any problem.

Where is the entrance to this place?

You can see the true strength of the sumo wrestler in the official sumo tournament.

There's no turning back, we can only move forward.

He turned back to go and get his forgotten item.

He was so flustered that I couldn't understand what he was saying.

What is the return value of this function?

Koukou is my best friend.