weaken
US
UK weaken [sth] vtr: (make [sth] weak)
SC 使…变弱
SC 使…变淡
The constant flow of traffic weakened the bridges supports, so they had to be repaired.
川流不息的车辆行人会使桥的支撑变弱，所以必须修理。
weaken [sb] vtr: (make [sb] weak) (人，生理上的)
SC 使…变得孱弱，使…变得衰弱
SC 使…软弱，使…动摇(人，思想上的)
The long illness weakened Stuart.
长期生病让斯图尔特日渐衰弱。
weaken vi: (become weak: [sth]) (事物)
SC 变弱，变淡，衰弱，减少 biàn ruò，biàn dàn，shuāi ruò，jiǎn shǎo
TC 衰弱，減少
TC 衰弱，減少
The roof timbers weakened over the years and eventually needed to be replaced.
屋顶的木料随着年岁的积累愈来愈脆弱，终于需要更换新的了。
weaken vi: (become weak: [sb]) (人，生理上的)
SC 变得衰弱，孱弱 biàn dé shuāi ruò，chán ruò
SC 软弱，动摇 ruǎn ruò，dòng yáo
TC 軟弱，動搖(人，思想上的)
TC 軟弱，動搖(人，思想上的)
Nancy weakened as she grew older and had to walk with a stick.
南希随着年龄增长身体变得孱弱，最后必须拄拐才能行走了。