Miànduì zhèngjù, bèigào jūrán zhènzhèn-yǒucí de fǒurèn yíqiè.
Faced with the evidence, the defendant astonishingly denied everything with great self-assurance.
Tips
usage
Almost always negative - the speaker sounds reasonable but is actually in the wrong. Don't use to describe a genuinely just argument; for that use 理直气壮.
mistakes
The character is 词 ('words'), not 辞. Also commonly misread as zhēn zhēn - the correct reading is zhèn zhèn (4th tone).