Lip synching is when you move your lips as though you are singing, but you don't make any sound. You're just pretending while a recording plays.

假唱就是你作出唱歌的口型，而不发出任何声音。你只是在播放录音时装作在唱歌。

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Madonna also addresses her feud with Elton John, who in 2004 accused her of lip-synching.

采访中，麦当娜还提到了与埃尔顿·约翰之间的恩怨后者曾在2004年指责她假唱。

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Think about it, how can a popular star, who is not a professional singer, sing beautifully while dancing hotly if without the lip-synching?

试想，并非专业歌手出身的明星，要在“载舞”的同时一边“载歌”，不假唱如何能交差？

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Basically,it's like lip synching with a guitar." Lance "The Shred" Kasten from Washington,D.C.,made it to the final round of competition.

VOA: special.2009.08.14

Maybe he has a secret fondness for donning embroidered platform shoes and elephant bells and lip synching to Barry Manilow.

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And Tracy Caldwell Dyson, who lived aboard the station for 174 days in 2010, pops up a few different times lip synching from inside a space capsule.

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That begs the question: do these behind-the-scenes singers ever get jealous of their lip-synching counterparts.

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