at all hours

US /æt ɔl ˈaʊərz/
UK /æt ɔl ˈaʊərz/
"at all hours" picture
1.

随时, 全天候

at any time, especially at unusual or inconvenient times, day and night

:
He calls me at all hours, even in the middle of the night.
随时给我打电话,甚至在半夜。
The store is open at all hours during the holiday season.
节假日期间,商店全天候营业。