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When we want to say _"Hey, hurry up! you'll be late!"_ , which would be more
appropriate? :

  1. 遅刻するぞ！
  2. 遅くなるぞ！
  3. any other suggestions？
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2011-06-08T17:00:29.993
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word-choice usage learning
How to say "Hey hurry up! you'll be late!"?
The second one is good, and you can add 急いで (いそいで) to it to say "Hurry up"

> 急いで！遅くなるよ。

You can use 遅刻する as "to be late". It has a more specific meaning (late for
school, an appointment). So if you're saying "Hurry up, you'll be late for
school", say

> 急いで！遅刻するよ。or 急いで！遅刻になるよ。
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2011-06-08T17:11:44.280
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I‘m no sure if people would say {遅刻するぞ}, because they might say {遅刻しちゃうぞ}
instead. To 遅刻する is to be tardy intentionally, while 遅刻しちゃう, which comes from
{遅刻してしまう} has the connotation that even though you don't have the intention,
you might end up being tardy, thus you better hurry.

I'm a bit undecided between 遅くなるぞ and 遅刻しちゃうぞ so I'll leave to native speakers
or those who live long in Japan to give their verdicts :)
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2011-06-08T17:25:06.407
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遅刻するよ！ is the phrase you're looking for. 遅くなる does literally mean "become
late", but this "late" is more along the lines of an event becoming delayed or
postponed beyond the expected time. The context you're looking for is a person
being late for a scheduled event, which is what 遅刻 conveys.

Either 遅刻するよ！ or 遅刻しちゃうよ！ can be used. The latter adds an undertone of regret.

遅れる works as an alternate for 遅刻する, if you want to avoid 漢語: 遅れちゃうよ！

And depending on the speaker and situation, ぞ can be substituted for よ, which
was [covered in this
question](https://japanese.stackexchange.com/questions/617/in-what-situations-
can-you-use-as-a-sentence-ender).
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2011-06-08T17:57:56.673
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What about 遅れるよ！ ？ I hear 遅れちゃった a lot when people show up to events.
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2011-06-10T07:05:12.830
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As an alternative to 遅刻 and its variants you can flip it around a little bit
and say 間に合わないよ, which I think is also a common way to say it. So instead of
saying that you'll be "late" you're saying you "won't be on time."
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