Synonyms of sound off in English:

sound off


See definition of sound off

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