A three-legged race in which two people tie adjacent legs together and run as a team.
小学校の運動会で、クラス全員が二人三脚に参加した。
At the elementary school sports day, the whole class took part in the three-legged race.
練習不足で二人三脚はバランスが崩れ、転んでしまった。
Because of lack of practice, they lost their balance in the three-legged race and fell.
駅伝のパフォーマンスとして、選手が二人三脚で会場を一周した。
As a performance at the relay event, runners went around the venue in a three-legged race.
Figuratively, close cooperation between two parties working closely together toward the same goal; operating in tandem.
今回のプロジェクトは、メーカーと販売店が二人三脚で進めている。
This project is being carried out with the manufacturer and retailers working in tandem.
社員と経営陣が二人三脚で会社の改革に取り組む必要がある。
Employees and management need to work closely together to implement company reforms.
両国は安全保障で二人三脚の協力関係を築いた。
The two countries built a cooperative relationship in security, operating in tandem.