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verb + unnaturally
unnaturally 作方式状语，修饰动词，表示动作或行为的方式反常。
She behaved unnaturally in front of the camera.
她在镜头前表现得很不自然。
不自然地；反常地
先理解核心含义，再看它在真实句子里的用法。
不自然地；反常地
in a way that is not natural or normal
She behaved unnaturally in front of the camera.
她在镜头前表现得很不自然。
不自然地；反常地。
In an unnatural manner; to an unnatural extent.
She smiled unnaturally when she heard the news.
她听到消息时笑得很不自然。
The water in the lake was unnaturally warm for this time of year.
这个时节湖水却暖得不正常。
He behaved unnaturally in front of the camera, as if he were acting.
他在镜头前表现得很不自然，好像在演戏。
unnaturally 作方式状语，修饰动词，表示动作或行为的方式反常。
She behaved unnaturally in front of the camera.
她在镜头前表现得很不自然。
此结构表示“过于……而显得反常”，形容词用原级。
The building was unnaturally tall.
那座楼高得不正常。
unnaturally 修饰另一个副词，强调程度或方式超出正常范围。
He spoke unnaturally fast.
他说话快得不自然。
Not this
He smiled unnatural at the camera.
Use this
He smiled unnaturally at the camera.
修饰动词 smiled 应使用副词 unnaturally，而不是形容词 unnatural；形容词不能修饰动作，需要加 -ly 变为副词。
Not this
He unnaturally smiled when he heard the news.
Use this
He smiled unnaturally when he heard the news.
方式副词 unnaturally 放在动词前会变成修饰全句的句子副词，意思是“他竟然笑了”；要表达“不自然地笑”，应放在动词后修饰动作。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不自然地苍白
Her face was unnaturally pale in the morning light.
晨光中她的脸色不自然地苍白。
反常地安静
The classroom was unnaturally quiet after the announcement.
宣布之后，教室里反常地安静。
举止不自然
He behaved unnaturally in front of the camera.
他在镜头前举止不自然。
反常地平静
She remained unnaturally calm throughout the crisis.
整个危机期间她始终保持反常的平静。
Use unnaturally naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆成 un（不）+ natural（自然）+ ly，记成“不自然的样子”：某人行为别扭、反常，就是 unnaturally。
语域：neutral 常见场景：everyday conversation、descriptive writing 该词在正式和非正式场合都比较常见，属于中性表达，通常用于描述不符合自然或正常状态的现象，如“unnaturally quiet”（异常安静）或“unnaturally pale”（异常苍白）。
与 unnaturally 押韵：naturally /ˈnætʃrəli/、supernaturally /ˌsuːpərˈnætʃrəli/（重读音节都是 /nætʃrəli/）。拼写相似的 -ally/-urally 词如 culturally /ˈkʌltʃərəli/、literally /ˈlɪtərəli/、actually /ˈæktʃuəli/、unusually /ʌnˈjuːʒuəli/ 发音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.