bodyguard
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1. a group of men who escort and protect some important person
2. someone who escorts and protects a prominent person
3. a bully employed as a thug or bodyguard
Japanese calls You-Jin-Bou.
dull blade
鈍刀(なまくら・ドントウ)
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1. not in action or at work
2. disinclined to work or exertion
3. not having a sharp edge or point
4. used of a knife or other blade
Japanese calls Namakura.