The manager was demoted to deputy manager for making mistakes.

这个经理因为犯错被降为副经理。

He was demoted, which made him resentful.

他被降了级，心里愤愤不平。

The boss demoted him, but didn't tell him why.

老板降了他的级，但是却没有告知原因。

The captain was demoted for failing to fulfil his duties.

上尉因为没有完成任务被降职

It's very difficult to demote somebody who has been filling in during maternity leave.

给替代歇产假的人降职是很难的。

Why did the mayor demote the official?

为什么市长要把这名官员降职？

Cannot demote this field, table, or query.

无法对该字段、表或查询进行降级。

Have to its evaluation honour have demote.

对它的评价有褒有贬。

To reduce in grade, rank, or status; demote.

使降级，使降等在级别或地位上降低；使降级。