 Edit this sentence to make it more concise: "That is the most bizarre thing that I have ever seen". That is the most bizarre thing I have ever seen

 That's the strangest sight I've ever seen.
 عدّل هذه الجملة لتصبح أكثر اختصارًا: "That is the most bizarre thing that I have ever seen".

 هذا هو أغرب ما رأيت على الإطلاق.