1 | That would hardly be unheard of. | |
2 | All of these people gave me a great deal of information I had never heard of. | |
3 | These days, many colleges have entrepreneurship programs that were unheard of 30 years ago. | |
4 | It is unheard of in Pakistan for the head of the intelligence services to be humiliated in this way. | |
5 | And he began to wonder if he was seeing something virtually unheard of: forged fingerprints. |