恶化或退化：指情况、状况或品质逐渐变差或恶化。
... no doubt 确实地；很可能，公认的 go downhill 每况愈下，走下坡路 down the drain 被浪费掉，化为乌有 ...
Go Downhill(下山), 此释义来源于网络辞典。
... be snowed under工作过多忙不外来，超负荷 go downhill走下坡路，逐渐变坏 get someone'S goat惹某人气愤 ...
Your chances of being more carefully considered for the job can quickly go downhill just by saying the wrong thing at the wrong time.
如果你在错误的时间说了错误的话，在这份工作上你被仔细考虑的机会就会迅速减少。
But then these efforts began to go downhill.
之后，这些努力就开始走下坡路。
Research shows that when those warm feelings are blocked, a marriage can go downhill quickly.
研究显示，当这种温暖的感觉受阻之后，婚姻可能会急转直下。
Once I lost my job, everything started to go downhill from there."
VOA : standard.2010.02.17
The cow seemed to be trying to go downhill but for some reason it could not.
Instead of helping her, the monk impregnates her, and things go downhill from there.
Moreover, if charter schools go downhill they can usually be closed more easily than traditional schools.