无脊椎的,没有骨气的,懦弱的
Spineless \Spine"less\, a. Having no spine.
spineless adj 1: weak in willpower [syn: {namby-pamby}, {wishy-washy}] 2: lacking courage or vitality; "he was a yellow gutless worm"; "a spineless craven fellow" [syn: {gutless}] [ant: {gutsy}]