- sneak in, creep in - enter surreptitiously; "He sneaked in under cover of darkness"; "In this essay, the author's personal feelings creep in"
--1 is one way to penetrate, perforate
Sample sentences:
Something ----s
Somebody ----s
- slip in, stick in, sneak in, insert - insert casually; "She slipped in a reference to her own work"
--2 is one way to add, append, supply
Sample sentences:
Somebody ----s something
Somebody ----s that CLAUSE