深夜 (shēn yè): Very late at night (Noun) — Meaning & Stroke Order

He is very dedicated to this project and often works late into the night.

In the deep night, everything around is silent.

I like to read quietly late at night.

He studied diligently until late at night.

The noise late at night disturbed the neighbors' rest.

She can't stand working overtime until late at night every day, so she decided to change jobs.

The alarm sound in the middle of the night alarmed the residents who were resting.

Facing the urgent deadline, he worked overtime until late at night to finish the report.

She studied until late at night before resting.