night-time

Từ điển Oxford Advanced Learner 8th

ˈnight-time [night-time night-times] BrE NAmE noun uncountable
the time when it is dark
•This area can be very noisy at night-time.

Example Bank:
•It was night-time, but no one was asleep.
•This area can be very noisy at night-time.
•a night-time curfew/raid/visit
•during the night/night-time
•night-time entertainment