les heures d'études, les heures académiques

keep (some kind of) hours Idiome

banker's hours

short work hours My sister's husband owns his own company and is able to work banker's hours with his large staff.

keep bad hours

be habitually late in returning home or in retiring to rest 晚睡晚起；晚归晚睡；生活无规律
He keeps bad hours．He is rarely home until past midnight．他生活无规律，常常在午夜后才回家睡觉。

keep early hours

be habitually early in returning home or in retiring to rest 经常早回家或早睡觉；早睡早起
School boys should keep good hours．上学的孩子要早睡。
Those who keep early hours are generally healthy．早睡早起的人身体好。

keep good/early hours

keep good hours

until all hours

Idiom(s): until all hours

Theme: LATENESS

until very late.
• Mary is out until all hours, night after night.
• If I'm up until all hours two nights in a row, I’m just exhausted.

small hours of the night

Idiom(s): small hours (of the night) AND wee hours (of the night)

Theme: TIME

the hours immediately after midnight.
• The dance went on into the small hours of the night.
• Jim goes to bed in the wee hours and gets up at lunchtime.

keep late hours

Idiom(s): keep late hours

Theme: LATENESS

to stay up or stay out until very late.
• I'm always tired because I keep late hours.
• If I didn't keep late hours, I wouldn't sleep so late in the morning.

for hours on end

Idiom(s): for hours on end

Theme: TIME - DURATION

for many hours.
• We sat and waited for the doctor for hours on end.
• We listened to the speaker for hours on end.

all hours of the day and night

Idiom(s): all hours (of the day and night)

Theme: TIME

very late in the night or very early in the morning.
• Why do you always stay out until all hours of the day and night?
• I like to stay out till all hours.

keep (some affectionate of) hours

1. To advance a accurate arrangement or agenda of actuality alive and asleep. Because of the huge time difference, Sam has kept absolutely aberrant hours aback advancing aback from Japan. It's important that the kids alpha befitting approved hours back they are young, aback accepting capricious bedtimes can account a lot of problems with sleep.2. To advance accurate business hours. The bounded doctor has consistently kept rather aberrant hours. Sometimes it aloof comes down to luck whether he'll be there at all on a accustomed day.Learn more: hour, keep, kind

keep... ˈhours

if you accumulate regular, strange, etc. hours, the times at which you do things, abnormally accepting up or activity to bed, are regular, strange, etc: Keeping aberrant hours is adamantine on children, so try to set a approved bedtime and a approved time to get up.Learn more: hour

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