埋手 (maai4 sau2) — start, put one's hand to, set about in Cantonese
maaiˎ₄埋sauˊ²手Mandarin Pinyin: mai2 shou3
Meaning of 埋手
nounstart, put one's hand to, set about
noun(slang) to approach; to get into; to tap into; start; set about (often to do bad things to something)