Meaning of líng chén:
líng chén
凌晨
Noun
very early in the morning; in the wee hours
Wǒ měitiān dōu shì zài língchén kāishǐ zhǔnbèi gōngzuò.
我每天都是在凌晨开始准备工作。
I start preparing for work very early in the morning every day.
Tā tōngcháng zài língchén sì diǎn zhōng qǐchuáng qù duànliàn.
他通常在凌晨四点钟起床去锻炼。
He usually gets up at 4 AM to exercise.