spine·less
adjective/ˈspaɪnləs/
/ˈspaɪnləs/
- (disapproving) (of people) weak and easily frightened
没有骨气的；怯懦的 - (of animals) having no spine (= the long bone in the back)
无脊椎的；无脊柱的 - (of animals or plants) having no spines (= sharp parts like needles)
无刺的