english
1
general::
Attack energetically, as in They tied into the buffet as though they hadn't eaten in months. [Colloquial; c. 1900]
American Heritage Idioms
2
general::
Phrase(s): tie someone or something into something [and] tie someone or something in to seek to establish a connection between someone or something and something. • The police tried to tie Sarah into the crime. • They tried to tie in Liz, too.
McGrawhill's American Idioms And Phrasal Verbs