to justify one's own argument; to make one's statement consistent; to make out a good case for oneself; to patch up the breach oneself; to fill up gaps in one's theory
Definitions (Wiktionary)
phrase, idiomatic
to justify in order to make one's own statement consistent and flawless (syn.) 𪢮泛, 圓泛, 圆泛, 圞泛