Usage of 'intrude'

English as a Second Language English Vocabulary, Grammar and Idioms
1

Can some one please tell me which of the following two sentences is correct?

  1. Sorry for intruding into your mailbox
  2. Sorry for intruding your mailbox

Does such a usage exist?

2

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Neither is appropriate. ‘Intrude’ = enter forcefully, illegally, etc. A mailbox is too small to enter.

3

Thanks Mister Micawber.

Can’t we use it figuratively either? By the way, I meant emailbox when I wrote mailbox.

4

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It is not wise for non-native speakers to use words figuratively unless they have found precedent for it; it usually leads, as here, to confusion.
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