most of the time, especially outside the time considered usual for something
（尤指在通常做某事的时间之外的）大部分时间
teenagers expect to be allowed to stay out &B{to all hours}.
青少年希望被允许大部分时间待在外面。
do the same thing, typically getting up and going to bed, late or at the same time every day
每天做同一件事情（多指起床和睡觉）很晚（或有规律）
at an exact hour, or on each hour, of the day or night
（白天、晚上）在整点，在每一小时
after a period of one hour
在一小时后
after less than an hour
在不到一小时后