The Greek that is translated as “boast” in English is translated in Saliba as hededesaesae or “to speak (going) up.” (Source: Rainer Oetzel in the blog entry )
boast
The Greek in 1 Corinthians 1:31 that is translated in English as “boast” is translated in Mapos Buang as “to be exuberant” (source: Paratext consultant notes).
See also complete verse (1Cor. 3:21).