mannerism /ˈmænəˌrɪzəm/

• 1. 

  N-COUNT Someone's mannerisms are the gestures or ways of speaking that are very characteristic of them, and which they often use. (说话或动作特有的)习性

  例：

  His mannerisms are more those of a preoccupied maths professor.

  他的言谈举止更像是一个全神贯注的数学教授。