belie [belied, belying, belies](to contradict or show to be false) verb [UK: bɪ.ˈlaɪ] [US: bə.ˈlaɪ]John's outward appearance belies the inner turmoil he's going through. = La apariencia exterior de John desmiente la agitación interna que está atravesando.
give the lie to(to prove (something) to be false) verb [UK: ɡɪv ðə laɪ tuː ˈsʌm.bə.di] [US: ˈɡɪv ðə ˈlaɪ ˈtuː ˈsʌm.ˌbɑː.di]