叫你别多想用英语可以说成 "Don't overthink it"。这个短语的来源可能源于人们常常会过分思考问题，以至于会妨碍他们做出决定或行动。下面是一些例句：

"Don't overthink it, just go with your gut." (别多想了，直接听从你的直觉。)
"I know you're worried about making the wrong choice, but don't overthink it." (我知道你担心会做错决定，但别多想了。)
"I know it seems pke a big decision, but try not to overthink it." (我知道这似乎是个重要的决定，但试着别多想。)

总之，"Don't overthink it" 是一个劝告人们不要过分思考问题的口语表达方式。