Jyutping
sap6 zi2 maa1 maai4
Pinyin
shí zhǐ mā mái
Definitions (CC-CANTO)
incapable to do anything (slang)
Definitions (粵典–words.hk)
形容詞
十隻手指好似連埋一齊咁,形容人唔識做嘢 (person) incompetent, not know what to do; literally: have all ten fingers all twisted up
你真係十指孖埋㗎喎,乜都唔識做。
你真系十指孖埋㗎㖞,乜都唔识做。
nei5 zan1 hai6 sap6 zi2 maa1 maai4 gaa3 wo3, mat1 dou1 m4 sik1 zou6. You don't know how do to anything, it's like you've got all ten fingers twisted up.