temperament
1.他没有大学教授那种传统的气质。
He doesn't fit (into) the traditional mould of a university professor.
2.气质一种固有的心灵或性格上的倾向
An established disposition of the mind or character.
3.内在的气质性格、脾气的内在气质
Inherent quality of character and temperament.
4.他的性格中有少许忧郁的气质。
There is a vein of melancholy in his character.
5.他是个有艺术家气质的男子。
He is a man with an artistic temperament.
temperament
mettle - - 没有缩写 吧