(of training, courses of study, etc. 训练、课程等 done while somebody is working in a job, in order to learn new skills 在职进行的；不脱产的 in-service training 在职培训 our in-service professional development programme 我们的在职专业发展计划
Oxford Collocations DictionaryIn-service is used with these nouns:- education
- teacher
- training
- …