1
controlled + noun
controlled修饰名词，表示受到控制或限制的。
They conducted a controlled experiment.
他们进行了一次受控实验。
克制的；冷静的
先理解核心含义，再看它在真实句子里的用法。
克制的；冷静的
Restrained or inhibited in one's words and actions.
They conducted a controlled experiment.
他们进行了一次受控实验。
言语和行为受到抑制或克制的。
Inhibited or restrained in one's words and actions.
受到管制或指导的。
Subjected to regulation or direction.
通过对照样本比较得出的；包括对照(控制)组的。(描述临床试验)
Resulting from a comparison with control samples; including a comparison (control) group. (describing clinical trials)
He remained calm and controlled during the crisis.
他在危机中保持冷静和克制。
The experiment was conducted under controlled conditions.
实验在受控条件下进行。
She spoke in a controlled voice, hiding her anger.
她以克制的语气说话，隐藏了愤怒。
controlled修饰名词，表示受到控制或限制的。
They conducted a controlled experiment.
他们进行了一次受控实验。
系动词后接controlled，表示保持克制状态。
She remained controlled during the crisis.
她在危机中保持了克制。
后接in短语，表示在某方面有节制。
He is always controlled in his emotions.
他总能克制自己的情绪。
Not this
We need a control environment for the experiment.
Use this
We need a controlled environment for the experiment.
中文“控制环境”中的“控制”是名词，但英语中修饰名词需用形容词controlled，表示“受控制的”。
Not this
He is a control person who never loses his temper.
Use this
He is a controlled person who never loses his temper.
中文“他是一个控制的人”直译错误，英语中表示“克制的”需用形容词controlled，而非名词control。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
受控环境
The experiment must be conducted in a controlled environment to ensure accurate results.
实验必须在受控环境中进行，以确保结果准确。
管制物质
Possession of a controlled substance without a prescription is illegal.
无处方持有管制物质是非法的。
对照实验
A controlled experiment allows researchers to isolate the effects of a single variable.
对照实验使研究人员能够隔离单个变量的影响。
控制变量
In a scientific study, a controlled variable must be kept constant.
在科学研究中，控制变量必须保持恒定。
有控制的方式
He spoke in a calm, controlled manner despite the pressure.
尽管有压力，他以冷静、有控制的方式说话。
受控物质（指法律管制的药品或化学品）
Possession of a controlled substance without a prescription is illegal.
无处方持有受控物质是违法的。
受控爆炸
The bomb squad carried out a controlled explosion to disable the device.
炸弹小组进行了受控爆炸以拆除装置。
受控环境
The experiment must be conducted in a controlled environment to ensure accuracy.
实验必须在受控环境中进行以确保准确性。
Use controlled naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一个人被缰绳（control）牵着走（led），行为受到约束，即‘controlled’。
neutral
These words rhyme with the stressed syllable of controlled /kənˈtrəuld/—they all end in /-əʊld/. Note the spelling difference: controlled has -olled, while these use -old. Beware lookalikes such as contrived /kənˈtraɪvd/, which looks similar at the start but has a different vowel sound.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.