窜入

竄入
cuànrù
  1. (literary) to add unnecessary or unreliable content to a text
  2. to add unnecessary or unreliable content to a text

Wiktionary

Entry Composition

1 窜 cuàn
  1. to flee
  2. to scuttle
  3. to exile or banish
  4. to amend or edit
2 入 rù
  1. to enter; to go into
  2. to join; to become a member of
  3. (bound form) to conform to (as in 入时 rùshí)
  4. abbr. for 入声 rùshēng
  5. (on product packaging, after {number n} + {classifier}) containing (n pieces) (from Japanese 入 "iri")