Bìngrén de bìngqíng jí zhuǎn zhí xià, yīshēng jǐnjí shījiù.
The patient's condition deteriorated rapidly and doctors rushed to provide emergency treatment.
Tips
memory
Literally: turn sharply and go straight down. Imagine a car swerving off a cliff — no gradual decline, just an abrupt plunge. Used for situations (health, politics, negotiations) that suddenly worsen.