Someone must be at the back of this. 一定有人在幕后支持這件事。
People behind the scenes are rooting for you, even though they may not outwardly reveal their support of you just yet - let that knowledge embolden you. 人們會(huì )在幕后支持你,雖然他們表面上或許還未顯露出他們對你的支持,讓那個(gè)認知幫你壯壯膽吧。