Synonyms of sound off in English:

sound off


See US English definition of sound off

See UK English definition of sound off

See Spanish definition of pontificar

phrase

1‘he sounds off on the human costs of offshoring’

SYNONYMS
speak at length, talk at length, speak, talk, go on, hold forth
declaim, discourse, spout, expatiate, pontificate, orate, preach, sermonize
lecture, harangue, fulminate, rant
informal spiel, speechify, preachify, drone on
rare perorate