s. continually recurring to the mind
s. having a deeply disquieting or disturbing effect
a. 常浮现于脑海中的, 不易忘怀的
1. The haunting melody stayed in my mind all day.
那首萦绕心头的旋律整天在我脑海中回响。
2. She had a haunting look in her eyes that made everyone curious.
她眼中有一种令人难以忘怀的神情，让每个人都感到好奇。
3. The old house was said to be haunted, giving it a haunting atmosphere.
据说那座老房子闹鬼，这让它有了一种诡异的氛围。