méi / yǒu / rèn / hé / zhèng / jù / wǒ / men / bù / néng / píng / kōng / xuán / chuǎi / tā / de / dòng / jī

没有任何证据，我们不能凭空悬揣他的动机。

Without any evidence, we cannot speculate about his motives.