sound off
US /saʊnd ɔf/
UK /saʊnd ɔf/

短语动词
1.
大声发表意见, 大发牢骚
to express one's opinions loudly or angrily
示例:
•
He likes to sound off about politics at family gatherings.
他喜欢在家庭聚会上大声发表政治观点。
•
The manager sounded off about the team's poor performance.
经理对团队糟糕的表现大发牢骚。
在 Lingoland 学习这个单词