be attacked by the enemy from without and within
It is a Chinese idiom. Pinyin is bi ǎ ol ǐ sh ò UD í, which means to be attacked by the enemy inside and outside. It comes from the biography of Zhuge's birth.
The origin of Idioms
According to the biography of Zhuge's birth in the history of the Three Kingdoms, the city is solid and numerous. If there are foreign invaders, they will be defeated both inside and outside
Idiom usage
In the book of Zhou, biography of Yang Zhongzhuan, it is said that "the offensive and defensive forces are different, but we can't get rid of them. If we lead the Japanese to work hard and suffer from the enemy, it's not a plan." In the old book of the Tang Dynasty, biography of Li daozong: "the thieves fought hard and dangerous. Daozong sent more than 1000 people to ride over the mountain to attack them. The thieves were attacked by the enemy inside and outside, and they were defeated for a while."
be attacked by the enemy from without and within
a situation dominated by three powerful rivals - dǐng zú zhī shì
marry a woman many years younger than oneself - bái fà hóng yán