incontinent
/ɪnˈkɔntɪnənt; ɪn`kɑntənənt/ adj
1 unable to control the bladder or bowels in passing waste matter from the body 失禁的
People often become incontinent when they get very old. 人老了就往往有内急失禁现象.
2 lacking self-control, esp in sexual matters 缺乏自制力的（尤指性方面）.