shameless and undisguised
厚颜无耻的;公然露骨的
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a barefaced lie .无耻的谎言。
 
having an uncovered face and therefore exposed or vulnerable to something
不戴面具的,脸上无覆盖物的
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his years of working barefaced, breathing down dust .他不戴防护面具工作、老是吃灰尘的那几年。