“每况愈下”常见的英文表达有 “go from bad to worse” 、“get worse and worse” 或 “decline steadily” 。
go from bad to worse：强调情况在持续恶化，不断向更糟的方向发展。例如：The company's financial situation has gone from bad to worse in recent years.（近年来，这家公司的财务状况每况愈下。 ）
get worse and worse： 侧重于描述事物逐渐变差的动态过程。例如：His health has been getting worse and worse since he started that stressful job.（自从他开始那份压力巨大的工作后，他的健康状况就每况愈下。 ）
decline steadily： “decline” 有“下降、衰退”之意，“steadily” 表示“稳定地、持续地”，整体表达持续且稳定地变差。例如：The quality of the products has declined steadily over the past few months.（过去几个月里，产品的质量每况愈下。 ）