by the hour

基本解释

I pay them by the hour.
我按小时付给他们钱。
However, most of these massaging masters charge by the hour.
然而，大多数的按摩专家是以小时计费的。
We've identified four kinds of pros offering specific home improvement skills, with an emphasis on fast results with fees by the hour.
我们已经确定按钟点计费的，能提供房屋改进技巧的四类专业人士，强调效果立竿见影。

You usually get paid by the hour
你通常按小时拿钱，
在研究所工作 - SpeakingMax英语口语达人
He is doing 100 miles an hour down the Mass Pike and gets pulled over by a State Trooper.
他在以100迈的速度沿着Mass，Pike前进,被州警察挡住。
麻省理工公开课 - 固态化学导论课程节选
Well partly this is just for fun-- this is what computer people sometimes do, intentionally or unintentionally but as also will see a really nice way to culminate the semester and frankly carve out a 10 hour block where you can bite off your final project's implementation surrounded by friends and the course's staff.
一部分只是因为好玩-,这是懂电脑的人有时会这么做，不管有没有意义,还有一部分原因是因为,以这种方式达到学期的高潮,并在朋友和这门课程教师的关注下,抽出10小时的时间完成最终的项目安装,是一件多么美妙的事啊。
哈佛公开课 - 计算机科学课程节选

Even as the company grew, we still set our sales goals by the hour.
FORBES: Were there any rough spots when you were getting started?