一言以蔽之

yī yán yǐ bì zhī

one word says it all (idiom, from Analects); to cut a long story short

in a nutshell

一

yī

one

言

yán

words

以

yǐ

abbr. for Israel 以色列[Yi3 se4 lie4]

蔽

bì

to cover

之

zhī

(possessive particle, literary equivalent of 的[de5])