habit, practice, tradition, convention, usage, manners, custom。

例句：他已改变了他的坏习惯。He has reformed his bad habits. 短语习惯于 get used to ; be used to ; accustomed to ; be in the habit of习惯性 Customary ; habituation ; habit ; drug habituation学习习惯 Study habits ; leaning habit ; learning habits ; Work Habit