Collocations for mouthpiece - noun
1. part of a telephone
ADJ.
phone/telephone
VERB + MOUTHPIECE
cover (up), put your hand over
He put his hand over the mouthpiece and called his wife to the phone.
He put his hand over the mouthpiece and called his wife to the phone.
2. sb/sth that informs the public about sb/sth''s opinions
ADJ.
official, political
VERB + MOUTHPIECE
act as, be
PREP.
~ for/of
The media is controlled by the state and acts as a mouthpiece for the ruling party.
The media is controlled by the state and acts as a mouthpiece for the ruling party.