他无力地耸耸肩，扭动身体想要挣脱。He gave a feeble shrug and tried to squirm free.马西娅苍白无力地一笑，摇了摇头。Marcia smiled wanly and shook her head.他的左手在身侧无力地动了一下。His left hand moved feebly at his side....

“无力地”的英语可以翻译为：[医]feebly ...