在職訓練

on-the-job training

to exist; to be alive / (of sb or sth) to be (located) at / (used before a verb to indicate an action in progress)

to be employed / to be in post / on-the-job

office / duty

to teach / to train / to admonish / instruction (from superiors) / teachings / rule

to train / to drill / training / CL:個|个[ge4]

to practice / to train / to drill / to perfect (one's skill) / exercise / (literary) white silk / to boil and scour raw silk