Re:Show HN: Shishua – Fast pseudo-random generator
by yorwba on Saturday April 18, 2020 @07:30PM
(#22912026)
It's a "stone brush" 石刷 shíshuā. (Alternatively "It's a number!" 是数啊 shì shù a, but then pinyin orthography requires writing it as "Shishu'a" with an apostrophe in front of the third syllable.)
(I speak cantonese, though, so maybe mandarin speakers wouldn't fall in this trap)