打成一片

dǎchéngyīpiàn
(idiom) to become as one (with a particular group of people); to mix well; to bond

CEDICT

to become one with; to become a harmonious whole

Wiktionary

  1. 把零星的、部分的連結成一個整體。
  2. 人與人相處，生活親近，感情融洽，不分彼此。如：「他才上任不久，就已和大夥兒打成一片了。」也作「打成一團」。

重編國語辭典

Entry Composition

1 打成 dǎchéng
  1. to beat (sb or sth) into (a certain condition)
  2. to denounce (sb) as (sth contemptible)
2 一片 yīpiàn
  1. (one) piece, slice; one film
  2. piece, slice; one film