Tā de yùyán bùguò shì wēiyán-sǒngtīng, bùbì dāngzhēn.
His predictions are nothing but scaremongering - there's no need to take them seriously.
Tips
memory
危 (danger) + 言 (words) + 耸 (to startle) + 听 (to listen) - dangerous words that make the listener's hair stand on end. Picture someone whispering alarming things into a terrified listener's ear.