一瞬

duǎn zàn de yī shùn

短暂的一瞬

a brief instant

yī shùn qiān lǐ

一瞬千里

move very fast

liǎng bǎi nián zài zhōng guó wén míng shǐ shàng bù guò shì yī shùn

两百年在中国文明史上不过是一瞬。

Two hundred years seems like the blink of an eye in the history of Chinese civilization.

yī shùn jí shì

一瞬即逝

vanish in a flash

yī shùn jiān

一瞬间

a fleeting moment