uphill

苦戦

Refers to a very difficult struggle where success is not certain.

成功が定かではない、非常に困難な闘争を指します。

A long and difficult effort to achieve something.

A very difficult piece of work that needs to be done.

困難な戦い

A difficult contest or effort against strong opposition.

強力な反対に対する困難な競争や努力。

A steep ascent, either literally on a hill or metaphorically representing a difficult process.

上り坂のフィニッシュ

The final part of a race or competition that is on an upward slope, making it more difficult.

レースや競技の最後の部分が上り坂になっており、より困難になること。

A surface of which one end is at a higher level than another.

A technical term for an upward slope, especially for roads or railways.