Just keep up the same guards you would keep up请问这句话为什么翻译成：该留神的就得留神?

Just keep up the same guards you would keep up请问这句话为什么翻译成：该留神的就得留神?
Just keep up the same guards you would keep up
请问这句话为什么翻译成：该留神的就得留神?

Just keep up the same guards you would keep up请问这句话为什么翻译成：该留神的就得留神?
保持高度警惕