Question

demean 【demean】v.贬抑；降低The duke's son demeaned himself by doing manual labor with his servants.公爵的儿子降低自己的身份和佣人一起做工。

Accepted Answer

[dɪ'miːn] 
demeanreduce in worth or character, usually verbally
To demean someone is to insult them. To demean is to degrade or put down a person or thing.
If you noticed the word mean in demean, that's a good clue to its meaning. To demean someone is very mean. You are demeaning your sister or brother if you run their underwear up a flagpole. A teacher could demean a student by saying "You're stupid!" To demean is to insult: no one wants to be demeaned. Insulting language is often called demeaning. We can also say a bad president demeaned his office.
All forms of 'demean' will appear on average once every 5336 pages.demeandemeaningmisdemeandemeaningly

Front	demean
Pron	[dɪ'miːn]
Back	【demean】 v.贬抑；降低 The duke's son demeaned himself by doing manual labor with his servants. 公爵的儿子降低自己的身份和佣人一起做工。
Vocab	demeanreduce in worth or character, usually verbally To demean someone is to insult them. To demean is to degrade or put down a person or thing. If you noticed the word mean in demean, that's a good clue to its meaning. To demean someone is very mean. You are demeaning your sister or brother if you run their underwear up a flagpole. A teacher could demean a student by saying "You're stupid!" To demean is to insult: no one wants to be demeaned. Insulting language is often called demeaning. We can also say a bad president demeaned his office. All forms of 'demean' will appear on average once every 5336 pages. demean demeaning misdemean demeaningly

Demean Demeaned Demeaning Dɪ'Miːn V.贬抑；降低 Duke's Son Manual