uphill

上坡的、往上的

The last uphill section of the race exhausted almost everyone.

赛程最后那段上坡路让几乎所有人都累垮了。

艰难的、费力的、吃力的

Convincing the committee to change the rules was an uphill battle.

要说服委员会修改规则是一场艰苦的仗。

往上坡、向上

We pushed our bikes uphill for nearly two kilometers.

我们推著脚踏车走上坡路将近两公里。

艰难地、费力地

Small businesses have been struggling uphill since the new tax rules.

新税制上路后，小型企业一直在艰难地苦撑。

上坡、上坡路

The long uphill at the end of the route slowed the runners.

路线尾端那段长上坡让跑者的速度慢了下来。