But having said that, he was less good at getting on with superiors, I mean you can't keep disagreeing with your line manager over quite basic matters.
话虽如此，他不太擅长和上级相处，我的意思是，你不能总是在一些基本问题上和你的直属上司意见相左。
BEC高级听力真题（第4辑）
One particular thing I always advise clients to do is to look over the exhibitor list with great care and talk to line managers and colleagues about it.
我经常建议客户做的一件是是仔细浏览参展商名单并和直线管理人员以及同事对此展开交流。
财务英语实战
Your 1st line manger is only authorized to approve up to 5,000, so you need your 2nd line manager's approval for any amount above 5,000.
你需要二线经理的批准，一线经理只能批不超过五千的限额。
英语百科
Line management
Line management is a business term to describe the administration of activities that contribute directly to the output of products or services. In a corporate hierarchy, a line manager holds authority in a vertical (chain of command), and/or over a particular product line. He or she is charged with meeting corporate objectives in a specific functional area or line of business.