confine 英語で:

The Rhine is the boundary between France and Germany.

the city boundary

the river marks the boundary between the two regions

Some of the boundary between Germany and Poland follows the course of the river Oder. The Ural mountains mark the boundary between Europe and Asia.

personal boundary = your limit, your comfort zone

the boundary of a physical area is the edge, where one area stops and another starts. A boundary is also the point at which one thing starts to become another

It is beyond the boundary of human knowledge.

The mission took the direct route by air to the boundary.

A small border dispute ballooned into a major international incident.

California and Nevada border on each other.

Put a blue border around this picture.

border (n)

He ran for his life at the sight of the border guard.

Tadami is in Minamiaizu in Fukushima; cut off by steep mountains and located on the prefecture border with Niigata.

As North Korea displays aggression, South Korea concentrates its forces near the border.

There's a checkpoint at the border where they look in your trunk.

The Dutch and the Belgian tricolour were streaming side by side amiably in the village on the border.

Money's always to be found when we need to send men to be killed on the border; but there's none left when it comes time to help them.

The train came out of the long tunnel forming the border, and there was the snow country.

The dress was white with a delicate lace border.; a picture with a decorative/plain border; The card has a pretty design around the border.; Guatemala borders Mexico.

Jordan's King Abdullah II has decided to beef up the country's northern border.

Transforming border processes cannot happen overnight.

We were stopped by the police on the Polish-Russian border.