spendthrift: stresses lack of prudence in spending and usually implies imbalance between income and outgo: known in college as a real ~.


prodigal: suggests such lavish expenditure as can deplete the most abundant resources: a ~ who squandered his parents' hard-earned money.  （squander和本词一样表示开销阔绰耗尽资源implies reckless and lavish expenditure and exhaustion of resources，如squandered all their time and energy playing tennis把所有时间精力花费在网球上。）如  (lavish豪华、阔绰: sumptuously rich, excessively generous, 如he gave lavish praise for Einstein大力赞扬爱因斯坦，they lived a very lavish lifestyle他们生活豪华阔绰)


profligate: may imply the habits of a spendthrift but stresses dissipation of resources and powers and suggests debauchery and dissoluteness more than waste: a aging rock star forced to abandon his life as a ~.        （debauchery道德败坏**沉湎酒色或毒品immoral behavior involving sex, alcohol or drugs, 如scenes of drunkenness and debauchery一幕幕滥情纵欲，沉溺酒精场面）         （dissolute和debauchery几乎完全同义，但强调不在乎，即放荡不羁，如after the disaster, he lost all love and lived a dissolute life经历了那场灾难后，他失去了所爱，开始了放荡不羁的生活）


waster: may come close to spendthrift but carries a stronger implication of worthlessness and often suggests an idle ne'er-do-well: scorned by all as an idle ~.    ne'er-do-well不成器，无用的懒汉


wastrel: stresses disreputable worthlessness and typically applies to one who has profligate and dissolute habits: worked hard to earn a reputation as a bounder and ~.   (bounder不道德的人a dishonorable man, 如he is nothing but a fortune-seeking bounder他不过是个不讲道德的投机者)


spendthrift大手花钱: 指花钱不慎重, 常指入不敷出，prodigal大手花钱: 指花钱阔绰，乃至耗尽财富，profligate挥霍浪荡: 同样表示花销巨大，但相比于浪费更强调放荡堕落，waster浪废: 表示浪费，还表示懒散无用，wastrel废物: 除了懒散无用，还放荡堕落，语气比waster重


记忆方法: 1）首字母SPPWW想成WPSWP无品甚无品<==不该挥霍


         2）挥霍的意思是胡乱花钱的人mean a person who dissipates resources foolishly and wastefully.   （dissipate耗尽消散: 强调完全耗尽或消散complete disappearance or exhaustion，如the fog was dissipated by the morning sun早上的太阳将雾气完全消散，eventually realized that they had dissipated all their resources最终意识到他们已经完全耗尽了资源）