逆水行舟不进则退的英文怎么说?

逆水行舟,不进则退
When you are sailing against the current,you'll either go ahead or keep falling
He who does not advance loses ground。
逆水行舟,不进则退。

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关于楼上
Learning is like rowing upstream: not to advance is to drop back。
学如逆水行舟,不进则退。