Dic: take your cue from (someone or something)

• If you don't know which spoons to use at the dinner, just take your cue from John.
• The other children took their cue from Tommy and ignored the new boy.
• Taking his cue from his companion, he apologized for his earlier display of temper.
• The national assembly takes its cue from the president and seldom challenges her policies.
• His new tunes take their cues from the music of Africa and Cuba.

1. To use someone else's behavior or reactions as a guide to one's own. (From the theatrical cue as a signal to speak, etc.)
2. PHRASE : V inflects, usu PHR from n | If you take your cue from someone or something, you do something similar in a particular situation.
3. To be strongly influenced by someone or something else.

.... http://idioms.thefreedictionary.com/cue, Cobuild