He lip-synced 'Return to Sender'.

他对口形假唱了《退回寄信人》。

《牛津词典》

He ran his finger around the lip of the cup.

他用手指沿杯口抹了一下。

《牛津词典》

He was spitting blood from a badly cut lip.

他嘴唇伤得不轻，正不停地唾血。

《牛津词典》

He had a misshapen lower lip and his head sometimes when he when he was talking would seem convulsed to the right.

他的下嘴唇存在畸形,当他说话的时候

耶鲁公开课 - 欧洲文明课程节选

It's the sort of thing he's given lip service to, no doubt,over the course of his life.

他非常震撼，虽然他终其一生，口头上说相信死亡，这毫无疑问。

耶鲁公开课 - 死亡课程节选

Or maybe we need to distinguish between those things he gives a kind of lip service to, versus those things he truly and fundamentally believes.

或者也许我们需要区别,他口头上说的，和他真正从根本上相信的事情。

耶鲁公开课 - 死亡课程节选

Although he pays lip-service to fiscal consolidation, he has, above all, promised to spend and tax his way out of the crisis, leaving French voters with the fantasy that the rich can pay and that their own hardship will be limited.

ECONOMIST: The euro crisis

He paid lip service to reducing excessive regulation, while making it clear that he favored most regulation.

FORBES: The President's Political Circus

To do so, he must clearly go beyond the lip service that he paid to our "addiction to oil" in last year's State of the Union speech by taking steps that will make a difference.

CENTERFORSECURITYPOLICY: Securing America's energy needs