Student or Learner
Eva Nine, Mother Robot”—Rovender stood up
between the two—“let us put this decision aside
and proceed to this adjoining Sanctuary. Hopefully,
there we shall find shelter for the night and
refuge from Besteel.” He set off, his many belongings
tinkling together on his rucksack as he went.
Muthr looked at Eva for a beat, her eyelids clicking
loudly. She wheeled behind Rovender, dropping
her severed forearm. Eva followed, trudging slowly
as the three journeyed down the dark corridor.
What is the meaning of "look for a beat" here?
There's a related idiom that some students may find worth noting. If you are very willing to do something (not just willing, but keen) you would 'do it in a heartbeat'.