表达 speak the same language （说同一种语言） 用了比喻的修辞办法，实质意思是 与某人有类似的价值观、建议、态度或想法，相互理解，有一同语言。它多被用来表达人与人之间相互理解，在交流时不必过多地讲解双方的想法。在用中，动词 talk 可用来替换表达中的动词 speak，即 talk the same language，意思不变。
例句
I love working with Da Peng. When it comes to designs, we talk the same language.
我非常喜欢与大鹏共事。在聊有关设计的话题时，大家有一同语言。
Yasmin and Gemma got each other straight away. They come from similar backgrounds, so it makes sense that they should speak the same language.
雅斯敏和杰玛一拍即合。她们的背景相似，所以两人有一同语言也非常正常。
If this project is going to work, we all need to make sure were speaking the same language.
假如想让这个项目顺利进行，大家所有人都需要维持步调一致。