Fournet supported the extraterrestrial hypothesis as the best explanation for some puzzling UFO reports. I could never understand this puzzling remark. It's one of the most puzzling cases you've ever encountered. The latter's attempts to make up this puzzling rift were apparently shunned. There follows a section that analysts have described as "uneasy hesitation" or "puzzling" and "diffused". The theory accounts for a number of otherwise puzzling facts. The reasons behind the widespread, cosmopolitan distribution of these species, are still puzzling. Most puzzling to the investigators was how Weiher had come to his fate. The cause behind the massive declines is puzzling scientists. A number of reviewers found its story puzzling. Hoare loathed Franco and found him a puzzling and obtuse interlocutor. This is puzzling as the species is considered largely non-migratory. Steinman says that he finds that "puzzling, musically," although they share influences. But if so, the order of the names here is puzzling. This spectrum was puzzling for many years.