辣腕

1. Origins, structure, and basic meaning

• Structure: 辣腕 (らつわん) combines sharpness 辣 with the figurative skill of 腕 to denote exceptional capability.
• Basic usage: It praises a professional who handles difficult negotiation or organizational work with great skill.

2. Common pitfalls and similar expressions

• Professional ability, not a literal arm
  • In 辣腕の弁護士 and 辣腕家, 腕 refers figuratively to competence and effectiveness.