三寸釘 (saam1 cyun3 deng1) — small in stature (like a dwarf, lit., "three inch nail") in Cantonese
saamˉ¹三cyun˗₃寸dengˉ¹釘简 三寸钉
Mandarin Pinyin: san1 cun4 ding1
Meaning of 三寸釘
nounsmall in stature (like a dwarf, lit., "three inch nail")
nounA short person