be on the same wavelength idiom
C2 （两人或多人）观点相投，合得来
(of two or more people) to think in a similar way and to understand each other well
What makes the problem worse is that Howard and Tina are not on the same wavelength about how to deal with it. 让问题变得更糟糕的是霍华德跟天娜在如何解决问题方面意见不合。