silent: implies a habit of saying no more than is needed: her husband was the ~ type, not given to idle chatter.


taciturn: implies a temperamental disinclination to speech and usually connotes unsociability:  the locals are ~ and not receptive to outsiders.


reticent: implies a reluctance to speak out or at length, especially about one's own affairs: strangely ~ about his plans.


reserved: implies reticence and suggests the restraining influence of caution or formality in checking easy informal exchange: a ~ and distant demeanor.   demeanor=attitude态度,指由举止表现出来的态度,如本例。


secretive: too, implies reticence, but usually carries a disparaging suggestion of lack of frankness or of a will to conceal something that might be reasonably made known: a ~ public official usually stingy with news stories.    


silent沉默: 只说必要的话，taciturn少言寡语: 不喜欢说话，表现得不愿交往孤僻，reticent不愿说: 不愿说出或详述, 如私人事务，reserved矜持持重: 也是不愿多说，出于慎重或礼节(formality正式即礼节)，避免随意轻易交谈，secretive不合理的保密、神秘: 同样是不愿多说，但暗批不坦率理应公开


记忆方法: 1）首字母STRRS忍受忍受他<==沉默是金        proverb谚语: speech is silver, silence is golden言语是银,沉默是金           "默"的意思是"不说话，不出声"，形声字，从犬黑声同墨，本意是1、"犬跟在人后而不出声" 引申为常用义2、不说话不做声，如默认默许默哀默契默写沉默默而识之 3、不闻名鲜为人知，如默默无闻默默奉献

         2）练习一下

         3）沉默的意思是说话克制mean showing restraint in speaking.首字母STRRS忍受忍受他<==沉默是金