a little at a time

The shoulders will have to be filled in slowly, a little at a time on each side, said Vargas.

Instead of having one big conversation, make the transition a little at a time in the final week or two of summer break, said Samantha Sweeney, a licensed psychologist in Washington, D.C.

Did this material sink as it formed a little at a time, or all at once after the moon had fully solidified?

Bookies are sizing up their customers and making sure losses will be paid; bettors are similarly wary, worrying that the bookmaker won’t make good on winnings or “slow pay” a little at a time.

"This is a coup d'etat in the Polish way, which is done a little at a time," she wrote on Twitter, referring to a series of judicial reforms in Poland in recent years that the European Union said undermined judicial independence.