man of Qǐ fears the sky falling (idiom); groundless fears
Definitions (粵典–words.hk)
動詞
過份擔心,擔心一啲唔會發生嘅事 to worry about something that is very unlikely to happen; literally: to worry that the sky might fall down
邊有咁易世界末日吖,你唔使杞人憂天嘅。
边有咁易世界末日吖,你唔使杞人忧天嘅。
bin1 jau5 gam3 ji6 sai3 gaai3 mut6 jat6 aa1, nei5 m4 sai2 gei2 jan4 jau1 tin1 ge3. We all know the apocalypse is just a myth. You shouldn't worry too much.