他的父亲待在幕后，不想引人注意。

His father hovered ___in ___the ___background.

但皮吉在幕后扮演这个角色，因为他知道自己不会被接受。

But Piggy plays this role ___in ___the ___background because he knows that he won't be accepted.

她更喜欢在会议中待在幕后。

She prefers to stay ___in ___the ___background during meetings.