propensity
noun [ S ] formal uk/prəˈpen.sə.ti/ us/prəˈpen.sə.t̬i/
（尤指不良的）倾向，嗜好，癖好
the fact that someone is likely to behave in a particular way, especially a bad way
[ + to infinitive ] She's inherited from her father a propensity to talk too much. 她从她父亲那里继承了话多的毛病。
He's well-known for his natural propensity for indiscretion. 他天生鲁莽的毛病是出了名的。
Synonyms: proclivity tendency