It must have been a prearranged signal because his assistant came quickly.
He thrust his sword into the air in a prearranged signal.
This was the prearranged signal that Hans should start driving to the park.
And at a prearranged signal, Michael called me, at four one morning.
"We have a prearranged signal if we see anything in the car."
He waved his hand several times in a prearranged signal.
Do not worry, old friend, once the final phase of our plan is put into action, you will receive the prearranged signal.
Following a prearranged signal, she set her napkin aside and rose.
The prearranged signal with macdonald to show I was on my way back.
She heard their footsteps coming very close now, and it was time for her to give the prearranged signal.
