从不迟到的英文：
to be never late

参考例句：

She never comes to school late.
她上学从不迟到。

never是什么意思：
adv. 从不，不曾；决不

to dream of a never - never land where everyone is rich
梦想中的理想之国，那里人人富有

Never be haughty to the humble. Never be humble to the haughty.
对谦卑的人切勿傲慢，对傲慢的人切勿谦卑。

China will never seek hegemony and never go in for expansion
中国永远不称霸，永远不搞扩张。

You would never descend to fraud.
你绝不能堕落到骗人的地步。

You would never descend to cheating.
你绝不至沦于欺骗。

late是什么意思：
adj. 迟的；晚期的；最近的；已故的；前任的
adv. 迟，晚；接近末期；不久前

You are jolly late.
你来得很迟。

And then, in the late afternoon the sky will clear,
然后，下午晚些时候天空变晴，

Never too late to repent
过则勿惮改

Never too late to mend
过则勿惮改;亡羊补牢,为时不晚

Sorry I'm late!
对不起我迟到了！