go downhill
逐渐变得更糟或衰落
口语·描述质量或状况衰退
英文释义
deteriorate or decline in quality, value, or effectiveness
例句
The neighborhood has gone downhill since the factory closed.
典故来源
源于下山时容易滑落或走下坡路的直观意象，比喻情况逐渐变差。