glib：流利圓滑的;marked by ease and fluency of speech or writing
    1)informal, without thought or sincerity
    2)smooth and slippery;speaking or spoken in a smooth manner
    3)marked by ease or informality;nonchalant;lacking in depth;superficial
    glib <> taciturn, reticent
    maladroit：skill=glib：profundity 不靈巧的:技巧=口齒伶俐的:深度
    Synonyms: flip, offhand, slick
    His glib comment might have been insulting, except that everyone knew that he generally did not mean what he said.
    The salesman was so glib that the customers failed to notice the defects in the stereo.
    【考法 1】adj.流利圓滑的(常含有不真誠或欺詐的成分)，油腔滑調(diào)的：marked by ease and fluency in speaking or writing often to the point of being insincere or deceitful
    【例】a glib politician 油嘴滑舌的政客 　　【近】 nonchalant, oily
    【反】 taciturn 沉默寡言的;awkward笨拙的
    【考法2】adj.缺乏深度的，膚淺的： lacking depth and substance
    【例】glib solutions to the knotty problem 對復雜難解問題的膚淺的解決方案
    【近】 cursory, shallow, superficial
    【反】 abstruse, deep, profound 深奧的，深刻的