be calm in undertaking
Chinese idiom, Pinyin is sh é ns è B ù D 庸 ng, refers to people who are calm when they are in an accident or nervous. It comes from the tenth volume of Jingde chuandengling by Shi Daoyuan of Song Dynasty.
The source of the idiom is song shidaoyuan's Jingde zhuandengling (Volume 10), "the monk was thrown into the water by the Jiedushi and remained calm. Why is he so calm now?"
Chinese PinYin : shén sè bù dòng
be calm in undertaking
unable to speak in self-defense under certain circumstances. yǒu kǒu nán yán