汗出沾背

Explanation: With the "sweat." "Records of the Historian Chen Chengxiang family": "Takafumi Emperor Xi Yiming both national affairs, and asked the right towards the prime minister Bo said: 'the world is a must-year-old prison geometry?' Bo Xie said: 'I do not know' Q: 'the world one year old Zenitani out of geometry? "I do not know Bo and Xie, sweating stick back, shame can not." Thesaurus:  sweat drops like rain, Sweat, swelter, to sweat profusely, to perspire all over one's face, Banjialian back sweat, Khan Banjialian