To lip-synch is to move your mouth along with a recording, so that it looks like you are singing or speaking the words, when really the sound is coming from the recording.

To lip-synch對嘴 is就是 to move your mouth讓嘴巴 along with a recording跟著錄音動, so that it looks like讓看起來像 you are singing or speaking the words你在唱歌或說話, when really但其實 the sound聲音 is coming from the recording是來自錄音

You see it everywhere: singers on TV shows where the live sound would be bad, actors in a music video, a dubbed film where the mouth has to match another language. It is a verb ('she lip-synched the whole song') and also a noun-like word in phrases such as 'a lip-synch performance' or 'lip-synch to a song'.

You你 see it看得到 everywhere到處都: singers歌手 on TV shows在電視節目上 where the live sound would be bad現場收音會不好的, actors演員 in a music video在音樂錄影帶裡, a dubbed film配音電影 where the mouth has to match another language需要嘴型對上另一種語言。It它 is a verb是動詞 ('she lip-synched the whole song'「她整首歌都對嘴」) and also也是 a noun-like word類似名詞的用法 in phrases such as像 'a lip-synch performance'「一場對嘴表演」 or 'lip-synch to a song'或「對一首歌對嘴」

It is written several ways — lip-synch, lip-sync, lipsync — and 'lip-sync' is now the more common spelling; the '-synch' spelling is a bit older. It comes from 'lip synchronization', so the noun 'lip-synch' can also just mean the matching itself: in film work people say 'the lip-synch is off' when the sound and the mouth do not line up.

It它 is written several ways有好幾種寫法 — lip-synch, lip-sync, lipsynclip-synch、lip-sync、lipsync — and而 'lip-sync'lip-sync is now the more common spelling現在是比較常見的拼法; the '-synch' spelling-synch這個拼法 is a bit older比較舊一點。It它 comes from來自 'lip synchronization'lip synchronization, so所以 the noun 'lip-synch'lip-synch這個名詞 can also just mean也可以單指 the matching itself對上這件事本身: in film work在影視製作裡 people say人們會說 'the lip-synch is off'「lip-synch跑掉了」 when the sound and the mouth do not line up當聲音和嘴型對不上時

In everyday talk it often carries a small judgement — if you say a singer was lip-synching at a concert, you usually mean the audience was a bit cheated. But not always. Drag performers lip-synch on purpose as an art form, and nobody is pretending otherwise; there, it is the skill of acting a song with your face and body. And people lip-synch alone in the car or on TikTok just for fun, with no pretending involved at all.

In everyday talk在日常對話裡 it often carries a small judgement這個詞常帶一點評判意味 — if you say如果你說 a singer was lip-synching at a concert某歌手在演唱會上對嘴, you usually mean通常意思是 the audience was a bit cheated觀眾有點被騙了。But not always但也不一定。Drag performers變裝皇后 lip-synch on purpose是故意對嘴 as an art form當作一種表演藝術, and nobody is pretending otherwise沒有人假裝不是這樣; there在那種場合, it is the skill of對嘴是...的技巧 acting a song with your face and body用臉和身體演繹一首歌。And而 people人們 lip-synch alone自己對嘴 in the car or on TikTok在車裡或在TikTok上 just for fun純粹是好玩, with no pretending involved at all完全沒有假裝的成分