【常用口语】每况愈下”用英语怎么说？

❶ be on the decline [ɑːn ðə dɪˈklaɪn] 
逐渐势微;正在衰退

His father is on the decline. 

他父亲的身体越来越弱。

❷ on the skids [ɑːn ðə skɪdz] （不要忘记s）
无法挽救的;注定要失败的

    skid[skɪd] 

v. 侧滑;打滑;滑行

n. 侧滑;打滑;突然向一侧滑行;(飞机的)起落橇，滑橇

His career is on the skids.

他的事业每况愈下。

❸go to the dogs
每况愈下

when something or someone becomes much worse in quality or character. 这个短语用来表示某些事大不如以前，衰落或者指人堕落。

Look！I'd bet you'll go to the dogs if you keep denying it.

听着！，我敢说你要还是这么嘴硬就会毁了自己的。

＊最直接的说法
one's situation went from bad to worse

bad--worse 不好--更不好

表示“江河日下；每况愈下”之意