never associate with bad companions
It is a Chinese idiom. Pinyin is m é NW ú Z á K è, which means that there are no idle guests at home. It describes being cautious in making friends, which is the same as "no guests at home". It comes from the biography of yuan can in the book of Song Dynasty.
The origin of Idioms
According to the biography of yuan can in the book of Song Dynasty, "when I lived in Nanguo, I traveled alone in zhangce. I had few contacts, and there were no strangers."
Idiom usage
To be careful in making friends.
never associate with bad companions
check erroneous ideas at the outset - fáng wēi dù jiàn
spy who reports on person 's doings - ě bào shén
pretend to be ignorant of sth. - zhuāng lóng zuò yǎ
Learn from literature and adjust to martial arts - tōng wén diào wǔ