pàng-huang-siann放風聲

to let it be known that

to let it be known that; to spread the news; to give out information

English Wiktionary, “放風聲” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%94%BE%E9%A2%A8%E8%81%B2 · confidence: Medium (Wiktionary, Hokkien)