Beat twice with half
In Chinese, Pinyin is y à B à NJ à B è I, which means to defeat twice as many enemies as yourself with half of your troops. Describe how easy it is to win. It comes from Guanzi zhifen.
The origin of Idioms
"Guanzi · zhifen" says: "if the personnel are in disorder, ten will break the hundred; if the equipment is not ready, half will beat twice." Yin Zhizhang's note: "the enemy's weapons can't be carried out, so although it's half armed, it can be twice as powerful as that of the enemy."
Idiom usage
Before the princes met, the monarchs and ministers did not make peace, the ditches and bases were not completed, the prohibitions were not imposed, and the three armies of Hungary and Hungary were unable to advance or dare not to go, so they were invincible in a hundred battles. "Wu Zi · Liao Di"
Beat twice with half
make the old and new contrast and complement each other - xiāng dé yì zhāng
one is notorious for one 's misdeeds - è jì zhāo zhù
Help from the top and push from the bottom - shàng yuán xià tuī