| Acoustic guitars are strummed hard and fast on some songs, and are played with melodic flair on others. |
| Yet that rule isn't always as hard and fast as it would seem and sometimes actually demands to be broken. |
| If a child is bright they will learn quicker than another child but there are no hard and fast rules. |
| His arm came down hard and fast but it never connected with its intended target. |
| The rain had fallen hard and fast and then moved out of the area quickly, leaving behind a heavy sultriness that pulled and dragged at them. |
| Still, he's reluctant to draw any hard and fast lines between musical preference and student performance. |
