many and many a time的意思|示意

Many British teenagers have part-time jobs to earn a bit of money, but there are rules about how many hours they can work and what the minimum age is for certain jobs.

很多英国十来岁的青少年都作一些钟点工来赚些零用钱，不过他们的工作时间和合格从事某些工作的最低年龄在英国都有严明的制度规定。

On a busy server with many databases to check and many views to update every 15 minutes, your environment cannot afford to spend this kind of time on a single view.

在一台有很多数据库的繁忙的服务器上，由于每隔15分钟就要检查很多的视图，您的环境会无法容忍仅仅一个视图就花去这么多时间。

Perhaps because these people have been sitting for him for so many years and so many hours at a time, many have nodded off.

也许因为这些人多年来每次坐下来让他画都长达几个小时，很多人都打盹了。