He can speak Dutch fluently.

He is part of a rescue team, engaged in rescue operations in disaster-stricken areas.

He rescued a person drowning in the sea.

His laughter echoed throughout the room.

We organized a union of workers.

He can speak Armenian fluently.

He can speak Ukrainian fluently.

I think it's just a coincidence.

Our opinions completely coincided.

Let's respect the elderly and learn from their knowledge.