heightened，音标是[ˈhaɪtnɪd]。含义有：增加的；提高的；紧张的；加剧的。用法：heightened，作形容词时意为“增加的；提高的”。

双语翻译：The heightened security measures are in response to the recent spate of terrorist attacks.

增加的安全措施是针对最近一系列恐怖袭击事件的应对措施。

以上信息仅供参考，建议咨询专业英语人士或者查询有关英语词典获得准确信息。

heightened，英语单词，主要用作形容词、动词，作形容词时译为“提高的；升高的；紧张的；加剧的”，作动词时译为“提高；增强；使紧张（heighten的过去分词）”。

常见用法：

1. The heightened security measures have been implemented following the terrorist attack.

在发生恐怖袭击之后，加强了安全措施。

2. The heightened awareness of environmental issues has led to a change in attitudes.

对环境问题的关注加强导致了态度上的变化。

中文翻译：

1. heightened security 加强安全措施

2. heightened awareness 提高意识

3. heightened sensitivity 敏感度提高

4. heightened tensions 紧张局势加剧

例句：

1. The tension in the air was heightened by the sound of gunfire in the distance.

由于远处传来的枪声，空气中的紧张气氛更加浓重了。

2. The heightened sense of responsibility that comes from being a leader can be a heavy burden.

作为领导人所带来的高度责任感可能是一种沉重的负担。

heightened 的常见短语有：heighten one's awareness 增强某人的意识、heighten one's sensitivity 增强某人的敏感度等。

heightened，英语单词，主要用作形容词、动词，作形容词时译为“提高的；升高的；紧张的；加剧的”，作动词时译为“提高；增强；使紧张（heighten的过去分词）”。

常见短语有：heightened awareness 提高意识、heightened security 增强安全、heightened sensitivity 敏感度提高、heightened awareness of environmental issues 环境问题的意识提高、heightened concern 高度关注、heightened awareness of personal safety 自我安全意识提高。

例句：The heightened sense of urgency was reflected in the news reports.

新闻报道中反映了这种紧迫感加强的紧迫感。

双语翻译列举：

1. The heightened security measures have made us more vigilant.

加强了的安全措施使我们更加警惕了。

2. The heightened awareness of environmental issues has led to a change in attitudes.

对环境问题的认识提高导致了态度上的变化。

3. The heightened sense of awareness of personal safety has led to a decrease in crime.

对自我安全意识提高的认识导致了犯罪率下降。

4. The heightened tensions between the two countries have been a source of concern.

两国之间紧张局势加剧，令人担忧。

5. The heightened awareness of our own mortality has led to a rethinking of life's meaning.

对死亡的紧迫感促使我们重新思考生命的意义。

6. The heightened sensitivity to criticism has made it difficult for her to work with others.

对批评的高度敏感使她很难与别人合作。

7. The heightened awareness of the need for self-discipline has led to a change in my lifestyle.

对自律必要性的认识提高导致了我的生活方式发生了变化。

8. The heightened concern for the environment has led to a decline in the use of non-renewable resources.

对环境的关注加强导致了不可再生资源的使用量下降。

9. The heightened awareness of our responsibility towards others has led to a change in our attitude towards helping others.

对他人责任的认识提高导致我们改变了对待帮助他人的态度。

10. The heightened sensitivity to criticism has made it difficult for her to work with others in the company.

她对批评的高度敏感使她在公司里很难与别人合作。