look as if butter wouldn't melt in one's mouth
luk æz if ˈbʌtə ˈwudnt melt in wʌnz mauθ   

基本释义

(非正式)假装天真无邪(或极娴静),表面上一副老实样
look as if butter wouldn't melt in one's mouth单词图解,单词释义场景配图
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