professional liar/complainer etcTOO/TOO MUCHsomeone who lies or complains too much – used humorously 撒谎/抱怨等的专家〔幽默用法〕professional liar/complainer etc• Maurice breaks his promises so consistently that he begins to seem a professional liar.• He's a professional complainer - I've encountered hundreds of them in my time.
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