His other children were old enough to mark the change in the frequency of their father's visits.

Edward soon suspects something when his wife increases the frequency of her visits to Manhattan.

The frequency of Ms. Lewinsky's visits had not been previously disclosed.

The frequency of his visits eventually decreased, but he stayed faithful to Times Square well into his 80's.

"By the frequency of his visits I should say that he likes us very much."

She checked the instruction monitors above each crib, noting the frequency and duration of the parents' visits.

You would be well advised to key their compensation to the frequency of their visits.

Fish then increased the frequency of his visits to brothels, where he engaged in sadomasochism.

The frequency of his visits had long ago numbed the horse-guards to his presence.

That provides the company with valuable information, such as the frequency of shoppers' visits and the average dollar value of their purchases.