tā / men / yí / ge / jiǎng / jì / shù / yí / ge / jiǎng / yù / suàn / wán / quán / shì / jī / tóng / yā / jiǎng

他们一个讲技术，一个讲预算，完全是鸡同鸭讲。

One talked about technology and the other about the budget; they were completely talking past each other.