| Clue | Source | Date |
|---|---|---|
| Emphatic challenge | New York Times | 17 Oct 2023 |
| It's quite the challenge | Wall Street Journal | 12 Jun 2023 |
| Not just a challenge | Universal | 27 Sep 2019 |
| Not just a challenge | ||
| Challenge with gusto | New York Times | 02 Dec 2017 |
| Quite the challenge | Universal | 16 Feb 2017 |
| Challenge with gusto | ||
| Quite the challenge | ||
| Serious challenge, in kid speak | ||
| Challenge, and then some | ||
| Challenge and then some, in kidspeak | ||
| Schoolyard gauntlet drop |