| 1 | The unfortunate accident resulted in casualties. | |
| 2 | The students expressed deep sympathy for the teacher's misfortune. | |
| 3 | She is unfortunate to have contracted a serious illness and needs long-term treatment. | |
| 4 | Why do you always mess up when it comes to important things? It's really unfortunate! | |
| 5 | It was unfortunate for her to get stuck in traffic during heavy rain. |