| 倒霉HSK 5 | dǎo méi | to have bad luck; to be out of luck | |
| 青霉素 | qīng méi sù | penicillin | |
| 青霉素 | qīng méi sù | penicillin | |
| 发霉 | fā méi | to become moldy | |
| 霉菌 | méi jūn | mold |
| 1 | I couldn't have worse luck. | |
| 2 | I'm having a rough day today. | |
| 3 | I ate some moldy food, and now my stomach feels very uncomfortable. | |
| 4 | The room has been closed for a long time, and the air is filled with mold. | |
| 5 | The room after showering was very damp, and good ventilation facilities were needed to prevent mold growth. |