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adverse + noun
形容词作定语，直接修饰名词，表示‘不利的、有害的’。
The medication may cause adverse side effects.
这种药物可能引起不良副作用。
不利的；有害的；反对的
先理解核心含义，再看它在真实句子里的用法。
不利的；有害的；反对的
Unfavorable or harmful; opposing your interests or welfare.
The medication may cause adverse side effects.
这种药物可能引起不良副作用。
不利的；目的或效果上对抗的；敌对的；积极反对某人利益或愿望的；违背某人福祉的；起反作用的；朝相反方向运作的。
Unfavorable; antagonistic in purpose or effect; hostile; actively opposing one's interests or wishes; contrary to one's welfare; acting against; working in an opposing direction.
对你的利益或福祉不利
contrary to your interests or welfare
反对的；相反的；违背某人利益或愿望的。
Opposed; contrary; opposing one's interests or desire.
朝相反方向
in an opposing direction
The flight was delayed due to adverse weather conditions.
由于不利的天气条件，航班延误了。
AI contextual example
The new policy had an adverse effect on small businesses.
新政策对小企业产生了不利影响。
AI contextual example
She experienced an adverse reaction to the medication.
她对药物产生了不良反应。
AI contextual example
adverse circumstances
不利的境况
WordNet
形容词作定语，直接修饰名词，表示‘不利的、有害的’。
The medication may cause adverse side effects.
这种药物可能引起不良副作用。
表示‘对…不利’，后接名词或动名词。
The new policy is adverse to economic growth.
新政策不利于经济增长。
Not this
I am adverse to spicy food.
Use this
I am averse to spicy food.
Adverse 表示不利的、有害的（如 adverse effects），而 averse 表示厌恶的、反对的，通常与 to 搭配。
Not this
The averse weather conditions delayed the flight.
Use this
The adverse weather conditions delayed the flight.
Averse 仅用于形容人的感受或态度，不用于描述外部条件；adverse 才表示（条件、环境等）不利的。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不利影响
The drug may cause adverse effects if taken in large doses.
这种药物如果大剂量服用可能会产生不利影响。
不利条件
The expedition faced adverse weather conditions.
探险队遇到了不利的天气条件。
不良反应
Some patients experience an adverse reaction to the medication.
一些患者对这种药物产生不良反应。
负面影响
The new policy had an adverse impact on small businesses.
新政策对小企业产生了负面影响。
不良后果
Ignoring safety warnings can lead to adverse consequences.
忽视安全警告可能导致不良后果。
逆境
She remained optimistic despite adverse circumstances.
尽管身处逆境，她依然保持乐观。
不利影响
The new policy had an adverse effect on small businesses.
新政策对小企业产生了不利影响。
不利条件
The team managed to succeed even under adverse conditions.
即使在不利条件下，团队也成功取得了成功。
不良反应
Some patients may experience an adverse reaction to the medication.
有些患者可能对药物产生不良反应。
Use adverse naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
发音像 'ad' + 'verse'，verse 是诗句，想象一首与你作对的诗——不利的。
语域：正式；常用于书面语、法律、医学或金融等专业领域，如 adverse effect（不良作用）、adverse reaction（不良反应）、adverse weather conditions（恶劣天气条件）。日常口语中较少直接使用，多改用 harmful、negative 等词。
常用于名词前或与介词to连用
Dictionary facts from DICTIONARY_API_DEV, ECDICT, OCTANOVE, WIKTIONARY.