1
a mouthpiece of [organization/group]
表示某组织或机构的代言人，常含贬义。
The newspaper is a mouthpiece of the government.
这家报纸是政府的喉舌。
吹口；嘴子
先理解核心含义，再看它在真实句子里的用法。
吹口；嘴子
The part of a pipe, musical instrument, or similar device that is placed in or near the mouth.
The newspaper is a mouthpiece of the government.
这家报纸是政府的喉舌。
任何装置中在口内或口附近起作用的部分,尤指:
A part of any device that functions in or near the mouth, especially:
覆盖或进入人嘴的部分
a part that goes over or into the mouth of a person
护齿器。
A mouthguard.
声学装置；电话的送话器
an acoustic device; the part of a telephone into which a person speaks
He spoke into the mouthpiece of the telephone.
他对着电话话筒说话。
AI contextual example
She cleaned the mouthpiece of her clarinet before playing.
她在演奏前把单簧管的吹口清理干净。
AI contextual example
The press secretary acted as the mouthpiece for the government.
新闻秘书充当了政府的代言人。
AI contextual example
the mouthpiece of a respirator
呼吸器的咬嘴
WordNet
表示某组织或机构的代言人，常含贬义。
The newspaper is a mouthpiece of the government.
这家报纸是政府的喉舌。
表示代表某人发声。
He acted as the mouthpiece for the protesters.
他充当抗议者的代言人。
指乐器或器具的嘴部部件。
She cleaned the mouthpiece of her trumpet.
她清洗了小号的吹口。
Not this
He is mouthpiece for the government.
Use this
He is a mouthpiece for the government.
mouthpiece 是可数名词，用作“代言人”时前面需要加冠词 a 或 the。
Not this
She spoke on the mouthpiece.
Use this
She spoke into the mouthpiece.
表示对着话筒说话，介词用 into 表示方向，而 on 表示在表面上，不符合习惯用法。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
萨克斯管的吹口
He bought a new saxophone mouthpiece online.
他在网上买了一个新的萨克斯管吹口。
电话听筒的送话口
The telephone mouthpiece was cracked, so the sound was unclear.
电话听筒的送话口裂了，所以声音不清楚。
戴护齿套
The boxer wore a mouthpiece before entering the ring.
这名拳击手在进入拳击台前戴上了护齿套。
政府喉舌
The newspaper is often described as a government mouthpiece.
这家报纸常被描述为政府的喉舌。
充当……的代言人
She acted as a mouthpiece for the striking workers.
她充当罢工工人的代言人。
充当某人的喉舌；做某人的代言人
The newspaper has often been accused of being a mouthpiece for the government.
这家报纸经常被指责充当政府的喉舌。
作为某事物的代言人；当某事物的传声筒
He acted as a mouthpiece for the striking workers during the negotiations.
谈判期间，他充当了罢工工人的代言人。
某事物的喉舌；某事物的代言人
The magazine quickly became the mouthpiece of the avant-garde movement.
该杂志迅速成为先锋派运动的喉舌。
Use mouthpiece naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
mouth(=嘴)+piece(=件) → 含在嘴边的小部件：乐器的吹口、电话听筒的送话口；转指“代言人”。
语域：mixed 常见场景：乐器/设备、运动护齿、新闻/政治 「mouthpiece」的语域因具体含义而异：表示乐器吹口、电话听筒等时偏中性或技术性；表示护齿套时多用于运动场景，口语较常见；而表示“代言人/喉舌”时通常用于正式或新闻语境，有时带贬义，因此整体标记为混合语域。
常与of或for连用，表示所属或用途
Dictionary facts from ECDICT, WIKTIONARY.