behaviour
/bɪˈheɪvjə(r)/( <美> behavior)
noun
mass noun
1- the way in which one acts or conducts oneself, especially towards others行为, 举止, 待人接物的方式：
good behaviour
良好的行为
his insulting behaviour towards me.
他对我的那种侮辱人的态度。
1.1
- the way in which an animal or person behaves in response to a particular situation or stimulus（动物或人对环境或刺激的）反应行为, 习惯：
the feeding behaviour of predators.
食肉动物的猎食行为。
1.2
- the way in which a machine or natural phenomenon works or functions（机器的）运行方式, （自然现象的）起作用的方式：
the erratic behaviour of the old car.
那辆旧车不稳定的性能。
短语
be on one's best behaviour
- behave well when being observed（在有人注意时）循规蹈矩。
词源