He has an uphill battle against rheumatics.

他与风湿病作艰苦顽强的斗争。

The road stretches uphill at a steep slope.

这条路以陡峭的坡度向山上延伸。

She was hot and breathless from the exertion of cycling uphill.

由于用力骑车爬坡，她， 不过气来。

Curve and uphill path resistance are great, linear resistance is little, declivous path still has quicken force.

曲线及上坡道阻力大,直线阻力小,下坡道还有加速力。

After the recent scandal, he faces an uphill struggle to win back public support before the next election.

在最近的丑闻后，他要在下次竞选前赢回公众支持非常困难。