a very strong interest in something that prevents you from paying attention to anything else 专注；迷恋；偏爱
Doug has a fixation with sports cars. 道格迷恋赛车。
+about She seems to have a fixation about someone called Tony. 她似乎迷恋上了一个叫托尼的人。
2
technical a mental condition in which your feelings about sex have not developed normally because you loved someone or something a lot as a child 固恋，不正常的偏爱（因小时候过于爱恋某人或某物而导致的性倾向不正常）