| One hundred trial and error searches were run with the starting order of taxa randomized for each run, both with and without the new codings. |
| They had better success, after much trial and error, by using a one-step cocktail fixative. |
| It is certainly a difficult task for it works on the basis of trial and error. |
| After almost a century of trial and error, weightlifters have proved that the six-meals-per-day plan works best for muscle building. |
| During their early projects, the Youngs learned through trial and error whom to depend on for skilled work. |
| When her judgement failed, she had tried an elaborate process of trial and error. |