The guitar was in tune.吉他的音调正确。

The president and his followers were clearly in tune.总裁和他的支持者们显然步调一致。

They were clearly in tune with each other.他们显然很合得来。

The speaker was very much in tune with our concerns. [=understood and shared our concerns]发言人很认同我们的关注点。

The new supervisor is not in tune with the needs of the staff. [=does not understand/appreciate the needs of the staff]新主管并不了解员工的需求。

His formal clothing was in tune with the occasion.他的正装很适合那个场合。