Meaning of lěng jìng:
lěng jìng
冷静
Adjective
calm; cool-headed; dispassionate; (of a place) deserted; quiet
Zài kùnnán shíkè, wǒmen bìxū bǎochí lěngjìng.
在困难时刻,我们必须保持冷静。
In difficult times, we must remain calm.
Wǎnshàng, zhège gōngyuán zǒngshì fēicháng lěngjìng.
晚上,这个公园总是非常冷静。
At night, this park is always very quiet.