Need I remind you (that) phrase
A phrase that introduces a warning or reminder
You are late again. Need I remind you that you will be fined for your unpunctuality and be sacked if you come late one more time?
Need I remind you that you play truant one more time then you will be expelled from the school?
Need I remind you that you are no longer my boss?
Used to warn readers that an important detail of the plot is about to be revealed
Not any warning
To be outperformed or outrun by someone, usually by a very wide margin.
You have to be quicker to finish this task or you will eat other my dust.