名词

1. （某人特有的说话或动作的）习性，习气，习惯
    Someone's mannerisms are the gestures or ways of speaking which are very characteristic of them, and which they often use.

1. a deliberate pretense or exaggerated display

    Synonym: affectationposeaffectedness

2. a behavioral attribute that is distinctive and peculiar to an individual

    Synonym: idiosyncrasyfoible