1. 癡呆智力能力，例如記憶力、精神集中的能力、判斷力等的惡化，常因某器官病疾或頭腦紊亂，引起經(jīng)常伴隨著情感波動和性情的變化
   Deterioration of intellectual faculties, such as memory, concentration, and judgment, resulting from an organic disease or a disorder of the brain. It is often accompanied by emotional disturbance and personality changes.
2. 下棋時，我的思想得處于很集中的狀態(tài)。
   I have to be in the right frame of mind to play chess.

集中的英語翻譯：