执刀手
[zhí dāo shŏu]
'执刀手' can be interpreted as 'the one holding the knife', or metaphorically, 'sword wielder'. '执' (zhi) means to hold, grasp or possess; '刀' (dao) refers to a knife or sword; '手' (shou) means hand. This can denote bravery, strength, or even danger depending on context.