arm in armglossary / ARM-IN-ARM arm-in-arm, adj. Of, relating to, or involving a transaction between parties whose personal interests are involved. Cf. ARM’S-LENGTH. 词条贡献者 法律翻译Denise,毕业于一所旨在培养高级翻译专业人才的翻译院校,专注翻译各类与专利与商标的授权与起诉有关的法律文件。