haunting

1. ADJ Haunting sounds, images, or words remain in your thoughts because they are very beautiful or sad. 令人难忘的

...the haunting calls of wild birds in the mahogany trees. …桃花心树林中野生鸟类令人难忘的鸣叫。

2. hauntinglyADV 令人难忘地

Each one of these ancient towns is hauntingly beautiful. 这些古镇每一座都是那样令人难忘得美丽。