They want to put their best foot forward, so they work in secret until everything is perfect.

他们想尽最大努力，所以他们秘密工作，直到一切都完美。

Everyone is putting their best foot forward, and propaganda plays a huge role by both sides and twisting the facts.

每个人都在全力以赴，宣传在双方都发挥了巨大作用，扭曲了事实。

YouTube could put their best foot forward and control the tone of videos, the quality of content and the vibe they wanted to give off for the website.

YouTube可以尽最大努力控制视频的基调，内容的质量以及他们想要为网站营造的氛围。