in me·di·as res
adverb/ɪn ˌmiːdiæs ˈreɪz/
/ɪn ˌmiːdiæs ˈreɪz/
(formal, from Latin)- straight into the main part of a story or account without giving any introduction
直接切入本题；单刀直入 - He began his story in medias res.
他开门见山地讲了起来。
Word OriginLatin. - He began his story in medias res.