He ran as fast as lightning
as fast as lightning or as fast as light
An example of a simile is, 'The girl was slow as molasses.'
It is a simile, they use like or as. Like many similes, you could convert it to a metaphor: "In the ring, his hands became bolts of lightning."
Two shakes of a lamb's tail.
cheetah
I can finish my homework! (pretty slow)
personification- the trees danced in the wind smile- her cheeks were as res as a cherry metaphor- i don't know hyperbole- i text so fast i can text 20 words in a second
as fast as a cheetah running from extinction
As quick as a flash, she raced across the meadow.
There are two usual similes, one animal, one object:As swift as an eagleAs swift as an arrow*The corresponding simile, even more extreme, is as fast as lightning.
he ran as fast as a cheetah << everyone knows thatt -- a better one may be he/she is as quick as lightning OR he/she is as fast as a bullet