It is generally heard on important occasions such as graduations and flag-raising ceremonies.

But he could hear the voices, even identify some whose tones he had heard on rare occasions before.

She knew what he would ask next, but it always unnerved her to hear it, especially on occasions when he was young.

He was previously heard on Eurosport and Screensport in the 1990s on occasions.

I had certainly heard enough about that, from both sides, on previous occasions.

He laughed, a nervous sound which Stern realized he had heard from him on other occasions.

They can still be heard in downtown Regina every Sunday morning and on other special occasions.

I have heard him on such occasions produce sounds of a nature similar to what may be sometimes heard in Dutch clocks.

In fact I've heard your name on several occasions in relation to possibly being considered for the chief residency.

A small voice spoke up as I sank deeper in the turbid water-a voice I've heard on other occasions.