in grave danger
In Chinese, the pronunciation is j í J í B ù K ě zh ō NgR ì, which means that the situation is very dangerous and one day can't go on. From the biography of Ma Shiying in the history of Ming Dynasty.
On the other hand, as far as the domestic side is concerned, it has been a long time. The 144th chapter of Tao Juyin's "the history of the Northern Warlords"
in grave danger
know by oneself whether it is cold or warm - lěng nuǎn zì zhī