| make difficult | 192.17 | Patchy fog made driving difficult. | ||
| find difficult | 79.53 | He still found it difficult to believe. | ||
| prove difficult | 2.11 | Other mergers could prove more difficult. | ||
| consider difficult | 1.12 | They were also considered difficult to use. | ||
| get difficult | 0.39 | Things got a little difficult the last four holes. | ||
| call difficult | 0.33 | You call that difficult? | ||
| render difficult | 0.26 | Moreover, he said, interpretation is rendered difficult by a propensity in Qaida to use flowery images. |