それは君の固定観念だよ。の英語

It's your stereotyping.

It's your opinion.

You are biased if that's what you think.

That's your true face.

That's your true intention.

This is your individuality.

This reflects your intentions.

This is in accordance to your intentions.

That is as your perceive it to be.

Your guess is entirely off the mark.

I will leave that up to your imagination.

That's your strong point.

You only imagine you've heard it.

That is your paranoia.

I took it for granted that you'd come.

I took it for granted that you would come.

Your inferiority complex makes you think [say] that.

I will leave that to your imagination.

That's your selfishness.

I'm afraid your guess is off the mark.

That will be as you think.

That depends on your decision.

This is your fault

You are to blame for this.

You've been properly led up the garden path.

You're completely delusional.

Your guess is wide of the mark.

It is just your imagination.

Your idea sounds like a good one.

That is the thing that concerns you.