But why, then, those arms and the regalia of a Tharkian chieftain?
I can readily perceive that you are not of the Barsoom of today; you are like us, yet different--but why should I trouble my poor head with such a problem, when my heart tells me that I believe because I wish to believe!
There also came to my nostrils a faintly pungent odor, and I could only assume that I had been overcome by some poisonous gas, but why I should retain my mental faculties and yet be unable to move I could not fathom.
A cloud, I admit, may have crossed the sun; but why hysterics?
It is there, senora," he said finally, pointing to the shore lined with twinkling lights.
Her golden hair, massed closely about her ears and upon her forehead, shimmered in the bright sun dazzlingly; her eyes sparkled; her little white teeth gleamed in a happy, joyous smile.
Janvour took me to the railroad station, and even offered to accompany me to Cherbourg; but I refused to tear him away from his little paradise.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "but why" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.