adj.虚弱的，衰弱的；无效的，无意的；缺乏决心的，缺乏活力的； 双语释义：adj.(形容词)虚弱的,衰弱的,无力的 weak; with little force英英释义： feeble[ 'fi:bl ]adj.pathetically lacking in force or effectiveness"a feeble excuse"同义词：lamelacking strength or vigor"feeble efforts"; "a feeble voice"同义词：faintlacking