mouth
US /maʊθ/
UK /maʊθ/

1.
boca
the opening in the lower part of the human face, surrounded by the lips, through which food is taken in and from which speech and other sounds are emitted
:
•
He opened his mouth to speak.
Ele abriu a boca para falar.
•
She put a spoonful of soup into the baby's mouth.
Ela colocou uma colher de sopa na boca do bebê.
1.
pronunciar, proferir
to speak or utter (something) especially in a pompous or insincere way
:
•
He just mouthed platitudes without any real conviction.
Ele apenas proferiu platitudes sem qualquer convicção real.
•
Don't just mouth the words; understand their meaning.
Não apenas pronuncie as palavras; entenda o seu significado.