（同…）联合，并力，会师，合力...

join forces的音标：...

They cannot join forces to vote her out of office.他们不能联合起来通过投票表决让她下台。Then they headed north to join forces with us.这时他们向北进发去和我们会师.Let us join forces to fight them.让我们联合起来跟他们斗....