If you fantasize about an event or situation that you would like to happen, you give yourself pleasure by imagining that it is happening, although it is untrue or unlikely to happen.
例句
I fantasised about writing music...我幻想著譜寫樂曲。Her husband died in 1967, although she fantasised that he was still alive.她丈夫已于1967年去世，但她幻想他還活著。
VERB
做性幻想;做性想象
If someone fantasizes, they try to excite themselves sexually by imagining a particular person or situation.
例句
Research has shown that men are likely to fantasize far more frequently than women...研究表明男人性幻想的頻率要比女人高得多。I tried to fantasize about Christine: those wondering blue eyes, that coppery red hair of hers.我對克里斯蒂娜想入非非：她那雙充滿好奇的藍眼睛、那頭紅棕色的秀發令人著迷。