believer
I am a believer in freedom of expression

everyday
an everyday expression

expression
an expression of anger

facial
facial expression

fixed
fixed expression

funereal
a funereal expression

hackneyed
hackneyed expression

hangdog
...his hangdog expression at the trial?

idiomatic
idiomatic expression

onomatopoeic
onomatopoeic expression

pardon
if you'll pardon the expression

self-expression
expressão das próprias ideias ou sentimentos

wrong
a wrong expression