| necessity(noun, trouble, change, mess, situation) |
| neck-and-neck race |
| net |
| nonplus |
| obstacle(noun, trouble, difficulty, pain, struggle) |
| obstruction(noun, trouble, difficulty, pain, struggle) |
| padlock(noun, bolt, lock, latch) |
| pain(noun, trouble, difficulty, struggle, obstacle) |
| painfulness(noun, trouble, difficulty, pain, struggle) |
| pass(noun, trouble, change, difficulty, mess) |
| perplexity(noun, trouble, change, difficulty, pain) |
| pickle(noun, trouble, change, difficulty, pain) |
| pinch(noun, trouble, change, difficulty, mess) |
| point of no return(noun, expression, idiom, trouble, change) |
| position(noun, difficulty, mess, hardship, jam) |
| pressure(noun, trouble, change, mess, situation) |
| pull up |
| put paid to(expression, idiom) |
| puzzle(noun, trouble, change, difficulty, mess) |
| quagmire(noun, trouble, difficulty, pain, struggle) |