when it's at home

/W EH1 N IH0 T EH0 S AE0 T OW0 M/
adverb
  1. 1

    (idiomatic, British) (of a person) In reality; in fact; when it comes down to it.

  2. 2

    (idiomatic, British) (of a topic) Plainly; in plain English; at its most basic level.