减肥对我来说一直是一场艰苦的斗争。

Losing weight has always been an ___uphill ___struggle for me.

全职工作的同时照顾年长的亲人可能是一场艰苦的战斗。

Caring for elderly relatives while working full-time can be an ___uphill ___battle.

克服数十年来根深蒂固的官僚体制被证明是一项极其艰巨的任务。

Overcoming decades of entrenched bureaucracy proved to be an ___uphill ___task of monumental proportions.