| Herculean task(noun, expression, trouble, worry, torment) |
| accident(noun, trouble, worry, difficulty, lack) |
| asperity(noun, trouble, worry, difficulty, lack) |
| austerity(noun, trouble, worry, difficulty, lack) |
| case(noun, trouble, worry, difficulty, lack) |
| curse(noun, trouble, worry, difficulty, lack) |
| danger(noun, trouble, worry, difficulty, lack) |
| discomfort(noun, trouble, worry, difficulty, lack) |
| distress(noun, trouble, worry, difficulty, lack) |
| drudgery(noun, trouble, worry, difficulty, lack) |
| fatigue(noun, trouble, worry, difficulty, lack) |
| grief(noun, trouble, worry, difficulty, lack) |
| grievance(noun, trouble, worry, difficulty, lack) |
| hard knocks(noun, expression, trouble, difficulty, lack) |
| hazard(noun, trouble, worry, difficulty, lack) |
| injury(noun, trouble, worry, difficulty, lack) |
| labor(noun, trouble, worry, difficulty, lack) |
| misery(noun, trouble, worry, difficulty, lack) |
| oppression(noun, trouble, worry, difficulty, lack) |
| peril(noun, trouble, worry, difficulty, lack) |