名詞 lightning:

1. abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
2. the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more

1. The dark room was momentarily lit up by a vivid flash of lightning.
   那黑洞洞的房間頓時被強烈的閃電照亮了。
2. The tree was struck by lightning.
   那棵樹被雷電擊中了。
3. Lightning usually accompanies thunder.
   閃電通常伴有雷聲。
4. He disappeared round the corner like a streak of lightning.
   他快如閃電般地從拐角處消失。
5. Flashes of lightning illuminated the scene.
   閃電的亮光照亮了現(xiàn)場。
6. He moved like lightning.
   他行動快如閃電。
7. There were many flashes of lightning during the storm.
   暴雨中出現(xiàn)了好多次閃電。

light.ning

n.（名詞）

An abrupt, discontinuous natural electric discharge in the atmosphere.
閃電放電：大氣中突然而又不連貫的自然放電現(xiàn)象
The visible flash of light accompanying such a discharge.
閃電：隨這種放電現(xiàn)象的可見的閃光
Informal A sudden, usually improbable stroke of fortune.
【非正式用語】 突然的，通常意外的不幸
v.intr.（不及物動詞）
light.ninged[-nngd] light.ning,light.nings
To discharge a flash of lightning.
打閃：釋放光火花
adj.（形容詞）
Moving or occurring with remarkable speed or suddenness.
閃電似的：快速或突然地行動或出現(xiàn)

來源：
Middle English [gerund of] lightnen [to illuminate,]
中古英語 [] lightnen的動名詞 [照亮]
lighten lightnen from lighten
lighten lightnen 源自 lighten
from Old English lohtan * see leuk-
源自 古英語 lohtan *參見 leuk-