on the ebb meaning in English

在退潮
正在衰退

My luck is on the ebb .
我的运气每况愈下。
The minister took up the theme and discoursed mellifluously on the ebb and flow of empires .
大臣接过话锋，滔滔不绝地谈论起古今多少帝国的盛衰兴亡。
What greatness had not floated on the ebb of what river into the mystery of an unknown earth !
有什么堪称伟大的东西不是随着这条大河退潮漂流到未知世界的神秘中去的！
My luck is on the ebb
我的运气每况愈下
The reconstruction of discourse right on the ebb of ideology in global economy and its countermeasures
论经济全球化境遇中的意识形态弱化问题及其对策