It's not so much a big problem.

He is playing the role of building bridges between the two countries.

We are planning to build a bridge over this river.

The ferry is crossing the river.

Sina is my best friend.

He was worrying himself about the results of the exam.

He was consumed with worry about his job.

I see, I understood that this is the truth.

Just like that, he suddenly left.

In old Japan, they used a scarecrow to drive birds away from the fields.