will-o'-the-wisp

US /ˌwɪl.oʊ.ðəˈwɪsp/
UK /ˌwɪl.oʊ.ðəˈwɪsp/
"will-o'-the-wisp" picture
1.

api hantu

a faint, flickering light seen at night over marshy ground, believed to be caused by combustion of natural gases

:
The hikers reported seeing a mysterious will-o'-the-wisp in the swamp.
Para pejalan kaki melaporkan melihat api hantu misteri di paya.
Folklore often describes the will-o'-the-wisp as leading travelers astray.
Cerita rakyat sering menggambarkan api hantu sebagai penyesat pengembara.
2.

khayalan, sesuatu yang sukar dicapai

something that is impossible or difficult to achieve or catch

:
Chasing perfection can be a will-o'-the-wisp.
Mengejar kesempurnaan boleh menjadi sesuatu yang sukar dicapai.
His promise of a quick solution turned out to be a mere will-o'-the-wisp.
Janjinya untuk penyelesaian cepat ternyata hanya khayalan semata.