見習的英文：
to learn on the job as a beginner

learn是什么意思：
v. 学习；认识到；记住；获悉；教训

Live to learn and learn to live
生而学之,学而生之

Learn not and know not
不学无术

There is no shortcut to learning.
学问无捷径。

job是什么意思：
n. 工作，零活
v. 做零工，打杂

You are not qualified for this job.
你不适合这份工作。

That is a job and a half.
那是非常困难的工作。

To assign a peripheral to a job for the duration of the job.
把一个外围设备在作业期间内指定给一个作业使用。

beginner是什么意思：
n. 初学者，新手；创始人

Nobody wants to remain a beginner.
没有人愿意停留在新手级别。

This book is adapted for beginners.
本书经过改写以适合初学者。

Granted that you are a beginner, you should not make such mistakes.
就算你是初学者，也不应该犯这样的错误。