(of a part of the body) to be reduced in size and therefore strength, or, more generally, to become weaker(身体部位)萎缩;衰退
After several months in a hospital bed, my leg muscles had atrophied.我在医院病床上呆了几个月后,腿部肌肉已经萎缩了。
In the 1980s, their political power gradually atrophied (= became weaker).20世纪80年代他们的政治权力逐渐衰落。