hang on someone's words
Listen very attentively to someone. For example, You don't need to hang on his words—just remember the gist of it. It is also put as hang on to every word, as in Whenever Mother read their favorite book to them, the children hung on to every word.
Words nearby hang on someone's words
hang in,
hang in the balance,
hang it,
hang loose,
hang on,
hang on someone's words,
hang on to your hat,
hang one on,
hang one's head,
hang out,
hang out one's shingle