Jump to conclusions 意为匆匆下结论、贸然断定、妄下结论、草率下结论

【例句】
We should not jump to conclusions. Let's investigate first.
我们不应草率下结论，还是先调查一下吧。

Don't jump to conclusions! Perhaps it was his daughter he was dancing with.
别妄下结论！也许和他跳舞的是他的女儿。