They are, as it were, hanging on the lips of God and they beg him to kindly tell them a word of light and comfort. (Google)
Anything may come from such stored-up force once it is let loose; and that keeps an audience alert, hanging on the lips of a speaker for his next word. (Googlebooks)
Amazed, we follow her development, like children hanging on the lips of a storyteller who leads us from one picture to the next. (Google)