s. made weak or weaker
a. 虚弱的
v. （使）削弱, （使）变弱( weaken的过去式和过去分词 )
1. The storm weakened the old tree, causing it to fall.
暴风雨削弱了那棵老树，导致它倒下。
2. Her illness has weakened her body, making it hard to exercise.
她的疾病削弱了她的身体，使得锻炼变得困难。
3. The team's morale weakened after losing the game.
球队在输掉比赛后士气减弱。