v. 25B6; verb
his eyes belied his words : CONTRADICT, be at odds with, call into question, give the lie to, show/prove to be false, disprove, debunk, discredit, controvert, negative; formal confute.
his image belies his talent : CONCEAL, cover, disguise; misrepresent, falsify, give a false idea/account of.
testify to, reveal.