nighttime

US /ˈnaɪt.taɪm/
UK /ˈnaɪt.taɪm/
"nighttime" picture
1.

夜间, 夜晚

the time between evening and morning; the time of darkness between one day and the next

:
The city lights sparkle beautifully at nighttime.
城市灯光在夜间闪耀得非常美丽。
It's safer to travel during the day than at nighttime.
白天旅行比夜间旅行更安全。