jump 除了表示“跳跃”还可以用来表示抽象的变化，jump to conclusions它的意思就是”匆匆下结论“，don't jump to conclusions 别妄下结论；不要急于下结论；别仓促/过早下结论。

【例句】
I know I was standing near the till when you came back into the shop, but don't jump to conclusions.
我明白，你回到商店时我确实是站在收款抽屉旁边，但且别妄下结论。

Don't jump to conclusions! Perhaps it was his daughter he was dancing with.
别匆匆下结论！也许和他跳舞的是他女儿。