on the job

基本解释

Do you want to excel on the job?
你是否想在工作上做到最好？
If the training you need (or want) isn’t available on the job, either suggest it or look outside the company for it.
如果您需要的培训（或想要）在现有的工作中不能获得，或者是建议公司，或公司外部寻找机会。
Some of these skills (not enough, though) are taught in school (not well enough, either), others are taught on the job, and still others we learn from general life experience.
一些技能是在学校里学到的（虽然不够，也不够好），一些是在工作中学到的，还有一些是来自平时的生活经验。

"Oh,yes." "Well,we get on the job right away. And in one hour, even less than one hour, we lose the fix.
So, it could be that you're deciding, as a lawyer, how many hours you're going to spend on the job.
比方说你是个律师,你就要计划好为公司工作多长时间
耶鲁公开课 - 博弈论课程节选
OK, so let's say some young engineer is on the job the first day and says, OK, let's put in 200 kg of tickle, and let's put in about 25 kg of mag.
比如一些年轻的工程师,刚来上班时会说，投入200kg的四氯化钛，投入25kg的镁。
麻省理工公开课 - 固态化学导论课程节选

Next we want managers to have been on the job for no less than six years.
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