a day or two
fixed phr..fixed phr.. a short but not exact amount of time, usually between twenty-four and forty-eight hours.
fixed phr.. an approximate temporal measure indicating a short duration, typically spanning one to two days; functions as an adverbial or noun phrase of duration.
I will finish the report in a day or two.
The package should arrive in a day or two, so please keep an eye on the mail.
While the initial symptoms may subside in a day or two, full recovery often requires a week of complete rest.
used to give a rough estimate when the exact timing is not important or certain.
this is a useful 'vague language' marker; teach it alongside 'a week or so' to help students sound more natural when making informal estimates.
in one day or twoin a day or twothe phrase is fixed with the indefinite article 'a' rather than the number 'one'.