up one's sleeve
Jinnang Miaoji is a Chinese idiom. Pinyin is j ǐ NN á ngmi à OJ à, which means jinnang is a brocade bag used to collect confidential documents or poems. From Chapter 54 of romance of the Three Kingdoms by Luo Guanzhong of Ming Dynasty.
The origin of Idioms
Chapter 54 of romance of the Three Kingdoms written by Luo Guanzhong in Ming Dynasty: "when your Lord Rubao enters Wu, he should lead the three brocades. There are three tricks in the bag, one by one. "
Discrimination of words
A clever plan
Idiom usage
Why is it troublesome? Where is your room? Ni Huanzhi by Ye Shengtao
up one's sleeve
a happy match is fixed by heaven - hóng yè tí shī
surrender one 's power to another at one 's own peril - tài ē dào chí