It was OK for a while, but then things went downhill.

有一段时间还不错，但后来就没什么意思了。

Things only went downhill from there.

事情只会从那里走下坡路。

And it went downhill from there.

它从那里走下坡路。

Things went downhill after the death of grandpa.

爷爷去世后， 事情开始走下坡路。

The car accelerated as it went downhill.

Acceleration 加速度 Transparent 透明的。

And personal opinion only, but express from there, it went downhill really bad.

仅个人意见，但从那里表达，它真的很糟糕。

Grandma fell and broke her leg, and she went downhill quite rapidly after that.

【downhill】奶奶跌了一跤，摔断了腿，此后情况恶化得很快。

Many historians agree that this was the point  where it all went downhill for the French.

许多历史学家都认为这是法国人一切都走下坡路的地方。

The track went on, more sharply downhill, and at one spot Conway found some edelweiss, the first welcome sign of more hospitable levels.

赛道继续下坡， 康威在一个地方发现了一些雪绒花， 这是更好客水平的第一个欢迎迹象。

He had a lot of autoimmune diseases. He had Sjogren's disease. He had Lupus. He had COPD. I mean, he was, he had asthma. He just went downhill from there.

他得了很多自身免疫性疾病。他得了干燥症、狼疮、慢性阻塞性肺病、哮喘。从那时起他的身体开始走下坡路。

After the wedge, the game went downhill for AlphaGo, until its internally-calculated chances of winning went below 20% -- at which point it’s programmed to resign.

在楔子之后， AlphaGo 的游戏开始走下坡路，直到其内部计算的获胜机会低于 20%——此时它被编程为退出。