反义词:蒸蒸日上
蒸蒸日上 zhēngzhēng—rìshàng[becoming more prosperous every day] 蒸蒸:上升和兴盛的样子。比喻事情蓬勃发展,日日都有进步
近义词:每况愈下、一落千丈、江河日下
每况愈下 měikuàng—yùxià[from smoke into smother;get worse every time;steadily deteriorate] 每一次的情况愈发不如前次好。比喻一直在走下坡路,越变越坏
江河日下 jiānghé—rìxià[go from bad to worse;degenerate day by day;be on the decline;be on the wane] 江河的水逐日流向下游。比喻事物日衰,景象日非