double up with laughter
Chinese idiom, Pinyin is Xi à ob à K à y à ng, which means laughing too straight. From Strange Tales of a lonely studio Fairy Island.
The origin of Idioms
Pu Songling's strange tales from a lonely studio Fairy Island in the Qing Dynasty: "Fangyun and Shushu are both smiling."
Idiom usage
Used as a predicate or adverbial; used when laughing.
Examples
Chapter 37 of Wenkang's biography of heroes and heroines in Qing Dynasty: "Jinyu sisters and girls are already laughing, and even their wives and other kind-hearted Taoists can't hold on to laughing."
double up with laughter
under the moon and before the flowers - yuè xià huā qián
be good at giving systematic guidance - xún xún shàn yòu