英语翻译Could any spectacle,for instance,be more grimly whimsica

英语翻译
Could any spectacle,for instance,be more grimly whimsical than that of ————————gunners ourselves very seriously what will happen————————————if this twofold use of knowledge,with its ever-increasing power,continues.
波折号中间的部分理解不了～我看了译文,靠,完全说的是英文里没有的东西.