1. on the decline : 没落;
及物动词
不及物动词
名词
1. 下降;减少;衰退;衰落
If something declines, it becomes less in quantity, importance, or strength.
2. 婉拒;谢绝
If you decline something or decline to do something, you politely refuse to accept it or do it.
3. 下降;减少;衰退;衰落
If there is a decline in something, it becomes less in quantity, importance, or quality.
4. 逐渐势微;正在衰退
If something is in decline or on the decline, it is gradually decreasing in importance, quality, or power.
5. 走下坡路;开始衰退
If something goes or falls into decline, it begins to gradually decrease in importance, quality, or power.