arm in arm

腕を組んで

互いの腕を組んだり、相手の肩や腰に腕を回したりして。

やさしい英語で： With your arm linked to another person’s arm or held around their shoulders or waist.

• They walked arm in arm.
• The couple came down the steps arm in arm.
• She strolled arm in arm with her grandmother.

使い方： arm in arm with someone (He walked arm in arm with his sister.)

類義語： with linked arms

よく使う表現： walk arm in arm, stroll arm in arm

協力して、結託して

密接に協力して。時には不公平な利益を得るために結託して。

やさしい英語で： Working closely together, sometimes to gain an unfair advantage.

• The two parties campaigned arm in arm.
• Officials worked arm in arm with the firms they were meant to inspect.
• The charities acted arm in arm to protect the river.

使い方： arm in arm with someone (The mayor worked arm in arm with local business leaders.)

類義語： together, in concert, in collusion

よく使う表現： work arm in arm, act arm in arm