early 13c., "fickle, shifting, unstable," from Old English fleotende "floating, drifting," later "flying, moving swiftly," from present participle of fleotan "to float, drift, flow" (see fleet (v.)). Meaning "existing only briefly" is from 1560s. Related: Fleetingly.
实用例句
1. We only had a fleeting glimpse of the sun all day.
一整天我们只看到太阳露了一下脸.
来自《简明英汉词典》
2. Art is long , and time is fleeting.
时光飞逝, 学艺无穷.
来自《简明英汉词典》
3. The world is like a fleeting show.
人世如白驹过隙.
来自《现代汉英综合大词典》
4. She wondered for a fleeting moment if he would put his arm around her.
他会不会搂住自己，这个念头在她脑子里一闪而过。
来自柯林斯例句
5. The girls caught only a fleeting glimpse of the driver.
