habit: implies a doing unconsciously or without premeditation and often compulsively: his ~ of constantly tapping his fingers.


habitude: suggests a fixed attitude or usual state of mind: greeted her friends warmly from ~.


practice: suggests an act or method followed with regularity, and usually through choice: our ~ is to honor all major credit cards.       (注意是honor不是respect)


usage: suggests a customary action so generally followed that it has become a social norm: western-style dress is now common ~ in international business.         usage和custom互释，但customary是基础词表示常用常见，不用其他词解释


custom: applies to a practice or usage so steadily associated with an individual or group as to have almost force of an unwritten law: the ~ of mourners wearing black at funerals.    (unwritten law不成文法，可见比解释usage用的norm规范更正式牢固)    


use: stresses fact of customary usage and its distinctive quality: conform to the ~ of polite society.      (use可以理解为usage的抽象名词，不必区分)


wont: applies to an habitual manner, method, or practice that distinguishes an individual or group: as was her ~, she slept until noon.


habit习惯: 表示无意识无预谋，通常强迫性的行为，habitude习惯: 指固定的态度心理，practice惯例、通常做法: 有规律的方法行为，usage惯用: 社会规范般的常用，custom风俗: 不成文法律般的惯例或惯用，use也是惯用: 强调常用这一属性，wont习惯: 区别于与其他人的习惯性举止行为方法  


记忆方法: 1) HHPUCUW重新排序为Wu HU Pin HU Cou勿胡拼胡凑<==养成好习惯        

        2) 习惯的意思是反复固定的做法mean a way of acting that has become fixed through repetition.HHPUCUW重新排序为Wu HU Pin HU Cou勿胡拼胡凑<==养成好习惯