be concerned about
collocation担心
She is very concerned about her son's health.
她非常担心她儿子的健康。
担心的；忧虑的；关切的
有关的；参与的；有责任的；表示关切的；担忧的。；参与的或负责的；感到或表现出担忧或关心的；关心的
feeling or showing worry, anxiety, or concern
表示关切的；担忧的。
Showing concern.
参与的或负责的
Involved or responsible.
感到或表现出担忧或关心的
feeling or showing worry or solicitude
She was deeply concerned about her son's health after the accident.
事故发生后，她非常担心儿子的健康。
用法提示：此处concerned作形容词，表示“担忧的”，后接about引出担忧的对象。
AI contextual example
The teacher seemed concerned when the student didn't show up for class.
当那名学生没有来上课时，老师看起来有些担忧。
用法提示：concerned作表语形容词，描述主语的状态，后接when引导的时间状语从句。
AI contextual example
We are all concerned for the safety of the hikers lost in the mountains.
我们都很担心在山里迷路的徒步者的安全。
用法提示：concerned for表示“为……担心”，强调关心的对象。
AI contextual example
与concerned最直接同义，程度相当
强调紧张不安，程度稍强
带有困扰的情绪
多指内心不安，程度较轻
强调情绪波动，通常有具体原因
适用于“担忧的”义项；对于“有关的”义项，反义词为unrelated或uninvolved
担心
She is very concerned about her son's health.
她非常担心她儿子的健康。
与...有关
This report is concerned with the effects of pollution.
这份报告是关于污染的影响的。
深切关注
We are deeply concerned about the global warming.
我们对全球变暖深切关注。
关切的公民
Concerned citizens formed a group to protect the park.
关切的市民成立了一个团体来保护公园。
有关各方
The agreement was signed by all concerned parties.
该协议由所有有关各方签署。
就...而言
As far as the budget is concerned, we need to cut costs.
就预算而言，我们需要削减成本。
con- (together) + cern (sift) + -ed (adjective suffix)
常与concerned about搭配，表示忧虑或关注的问题
常见于be concerned about safety，表示对安全的担忧
常出现在be concerned about health语境中，关乎身体健康
常与concerned about welfare连用，涉及社会福利或福祉
常见于be concerned about the environment，表示对环境问题的关切
就某事而言
As far as the budget is concerned, we need to cut costs.
就预算而言，我们需要削减成本。
所有相关人员
The meeting will be attended by all concerned parties.
所有相关人员将参加这次会议。
与...有关；担心
She is very concerned with environmental issues.
她非常关心环境问题。
我不在乎你喜欢还是不喜欢我……我只要求你尊重我作为一个人的尊严。
He was not concerned about whether people liked him, only that they respected him.
他并不关心人们是否喜欢他，只在乎他们是否尊重他。
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.