"That ship has sailed!" (3,4)

I think it could be either:

Which length description are you looking for?:

3,4

too late

'that ship has sailed' is the definition.
(I've seen this in another clue)

This is all the clue.

(Another definition for too late that I've seen is " Not in time".)

I've seen this clue in the Sydney Morning Herald.

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