| 1 | a state of unease in the mind | |
| 2 | He writes very slowly, which makes it difficult to show his abilities. | |
| 3 | The speed of the bullet is too fast to avoid. | |
| 4 | The melody of this song is unforgettable. | |
| 5 | The silence in the middle of the night makes it difficult for me to fall asleep. |
Copyright © Purple Culture Co., Ltd. 2001 - 2026. All right reserved.
