He spends a lot of time for peacekeeping.

We always pay attention to the maintenance of this machine.

We need moderate exercise to maintain our health.

He is participating in the United Nations peacekeeping operations.

I plan to participate in the meeting.

I will participate in the meeting tomorrow.

He got an amazing victory by getting a 'peace', a no points hand in mahjong.

I wish for peace to come to the whole world.

This park is very peaceful, and you can relax.

Heiwa is my best friend, always kind and considerate.