衰弱shuāiruò 1.(身体)失去了强盛的精力、机能{(of body) weak; feeble; not as strong in energy and function as before}: 身体～{be weak}|神经～{neurasthenia}|心脏～。{have a weak heart} 2.(事物)由强转弱{(of things) weaken; diminish; become weak}: 在我军有力反击下,敌军攻势已经～。{Thanks to our army's powerful counter-attack the enemy's offensive is losing momentum.}