of vital importance
Life or death, Chinese idiom, Pinyin is s ǐ sh ē NGC ú NW á ng, meaning to live or die; often used to refer to the situation has come to a critical moment to determine the future fate; also known as "life or death". From Zuo Zhuan, the 15th year of Duke Ding.
The origin of Idioms
"Zuozhuan · Dinggong 15 years" said: "husband ceremony, life and death of the body also."
Idiom usage
Be subject, object, attribute; be in an emergency.
of vital importance
have hundreds of attendants at one 's beck and call - yī hū bǎi nuò
be astute in devising great plans - hóng cái dà lüè