| 2026-06-11 | Test of will |
| 2024-04-09 | Difficult experience |
| 2023-01-15 | Nightmare |
| 2022-12-07 | Flying a commercial airline, often |
| 2022-05-15 | Opposite of a breeze |
| 2021-03-31 | Herculean undertaking |
| 2020-03-24 | Trying experience |
| 2018-09-26 | Harrowing experience |
| 2017-10-01 | Climbing Mount Everest, e.g. |
| 2017-07-27 | Tough slog |
| 2017-04-16 | Hell week, e.g. |
| 2015-01-04 | Traveling around the holidays, maybe |
| 2014-09-17 | Tough time |
| 2014-09-07 | Kidnapping, e.g. |
| 2014-08-11 | Difficult experience |
| 2013-12-21 | Extended trial |
| 2013-08-25 | Experience you might want to forget |
| 2013-02-01 | Baptism by fire |
| 2012-06-10 | No walk in the park |
| 2008-11-17 | Test of one's mettle |
| 2007-11-13 | Tough time |
| 2005-10-11 | Terrible trial |
| 2005-07-25 | Tough time |
| 2003-12-07 | Tough row to hoe |
| 2003-10-27 | Trial by fire |
| 2002-12-11 | Trying experience |
| 2001-11-26 | Difficult experience |
| 2001-10-28 | Big test |
| 2001-08-11 | Boot camp, typically |
| 2000-12-17 | Baptism of fire |
| 1998-05-26 | Severe test |
| 1997-10-15 | Tough going |
| 1996-01-22 | Tough time |
| 1994-07-02 | Trial |