The thought of holding a fixed grin as the camera performed its magical duties was too much to contemplate, and so a non-committal blank stare became the norm.
想到在相机完成其神奇任务时必须保持固定的笑容，这让人难以想象，因此不置可否的空白眼神成了常态。
Their tension before the camera.
他们在镜头前的紧张。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。