1. 神經(jīng)衰弱一種神經(jīng)系統(tǒng)紊亂，表現(xiàn)為長期疲勞乏力、失去記憶，帶中度疼痛。以前被認(rèn)為是由于神經(jīng)系統(tǒng)衰竭引起的
   A neurotic disorder characterized by chronic fatigue and weakness, loss of memory, and generalized aches and pains. It was formerly thought to result from exhaustion of the nervous system.
2. 胚胎病胚胎發(fā)育的紊亂
   A developmental disorder in an embryo.
3. 嗜眠病以突然的和不由自主的，雖然通常短暫的深度睡眠發(fā)作，有時伴隨有麻痹和幻覺為特征的一種紊亂
   A disorder characterized by sudden and uncontrollable, though often brief, attacks of deep sleep, sometimes accompanied by paralysis and hallucinations.
4. 她試圖平息一下紊亂的思緒。
   She tried to calm her turbulent thoughts.

亂的英語翻譯：