get on your soapbox
US /ɡet ɑn jʊər ˈsoʊp.bɑks/
UK /ɡet ɑn jʊər ˈsoʊp.bɑks/

1.
berpidato, berkhutbah
to express one's opinions, especially on a controversial subject, at length and with strong conviction, often in a public or prominent way
:
•
He tends to get on his soapbox about politics whenever he's had a few drinks.
Dia cenderung untuk berpidato tentang politik setiap kali dia minum beberapa gelas.
•
Please don't get on your soapbox about environmental issues again; we've heard it all before.
Tolong jangan berpidato lagi tentang isu alam sekitar; kami sudah dengar semuanya sebelum ini.