Beyond four knifelike walls a new life for him waited vaguely .
在四座刀一般壁垒那边，一种新生活模模糊糊地在等候着他。
Brightly colored coral-reef fish with knifelike spines at the tail .
颜色鲜明的热带珊瑚礁鱼，鱼尾部有如刀一样的刺颜色鲜明的热带海鱼。
knifelike