downhill

柯林斯词典

1. ADV If something or someone is moving downhill or is downhill, they are moving down a slope or are located toward the bottom of a hill. 下坡地
He headed downhill toward the river. 他朝山脚下的小河走去。
2. ADJ Downhill is also an adjective. 下坡的[ADJ n]
...downhill ski runs. …向下的滑雪坡道。
3. ADV If you say that something is going downhill, you mean that it is becoming worse or less successful. (走) 下坡路地
Since I started to work longer hours things have gone steadily downhill. 自从我延长了工作时间以后，情况不断恶化。
4. ADJ If you say that a task or situation is downhill after a particular stage or time, you mean that it is easy to deal with after that stage or time. 顺利的[v-link ADJ]
Well, I guess it's all downhill from here. 好，我想从现在起该一帆风顺了。