People may present themselves in various ways: face-to-face, side-to-side, or even back-to-back.

人们常常有各种表现形式：面对面的，侧面相对，甚至是背对背。

youdao

Mike's parents presented us a pair of silver candle holders which in the shape of fish and they asked us only to put the pair of fish face to face or side by side never back to back!

爸妈送给我们一对鱼的造型的银烛台，并且关照我们烛台的摆放方式，只能面对面或者并排，绝对不能背对背。

youdao

A example was given by using the face-back-changing weave in the last, explained how to change face layer and back layer to construct the simulating unit matric.

以表里换层组织的模拟方法为例，探讨了在计算机模拟中，表里换层的实现方法。

youdao

The expression probably comes from the physical act of turning your back toward someone, instead of speaking to him face-to-face.

VOA: special.2009.12.13

And the head you are seeing at the back there he was trying to touch is his wife's face.

他用手于去触摸的那个人,是他的妻子。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

the face being drawn back in a universal expression that every human everywhere would be able to recognize.

用一种普遍的面部表情，脸被后拉,任何地点，任何人都能辨认。

耶鲁公开课 - 心理学导论课程节选

The Americans were reluctant to send him back to Venezuela to face trial for corruption, but after five years of court battles he was surrendered, the first time a former ruler of a foreign country had been extradited from the United States.

ECONOMIST: Marcos Perez Jimenez

His family in the UK have called on the British government to bring him back to face a trial under the UK judicial system.

BBC: Ex-soldier Danny Fitzsimons awaits Iraq murder verdict

"The government of Seychelles has not satisfied itself that the conditions exist in Tunisia at this point for a free and fair trial if Mr El Materi were to be repatriated back to face the charges set out against him there, " immigration officials said.

BBC: Tunisia Ben Ali son-in-law granted asylum in Seychelles