You need to change your eating habits.

　　你得改變你的飲食習慣。

　　He relapsed into his old bad habits.

　　他重染惡習。

　　You'll have to unlearn all the bad habits you learned with your last piano teacher.

　　你必須丟掉你的前任鋼琴老師所教的一切壞習慣。

　　He grew lazy and slovenly in his habits.

　　他養成了懶散邋遢的習慣。

　　Data mining is used to analyse individuals' buying habits.

　　數據采掘被用來分析個體的購買習慣。