1
tripod;three legs
1
three-legged race
2
cooperation with singleness of purpose (e.g. between companies);operating in tandem
いやでもおうでも、これからは君と二人三脚で仕事をするしかないのかね。
Like it or not, we're in this together. All we can do is work as closely as if we were joined at the hip.