名詞 petrel:

1. relatively small long-winged tube-nosed bird that flies far from land

1. Sinclair Lewis was stormy petrel in his life as in his books.
   辛克萊。劉易斯在他的生活中也像他的書中一樣是個制造麻煩的人。

pet.rel

n.（名詞）
Any of numerous black, gray, or white sea birds of the order Procellariiformes, especially the storm petrel.
海燕：屬鹱形目中的一種黑色、灰色或白色的海鳥，尤指海燕

來源：
Perhaps alteration perhaps influenced by Saint Peter walking on the water, from the fact that the bird flies so close to the water as to appear to be walking on the water
可能為 可能受圣 Peter從水面走過的影響，源自鳥如此接近水面地飛過，好象在水面上走一樣
of earlier pitteral
較早期 pitteral的變化