1
metamorphose into sth
不及物用法，主语自身发生变化，后接 into 表示变化结果。
The caterpillar metamorphosed into a butterfly.
毛毛虫变成了蝴蝶。
使变形；使彻底改变；蜕变
metamorphosing — present participle of metamorphose
先理解核心含义，再看它在真实句子里的用法。
使变形；使彻底改变；蜕变
to change completely in form or nature, or to make something change in this way
The caterpillar metamorphosed into a butterfly.
毛毛虫变成了蝴蝶。
(蛾或昆虫)经历变态发育
Of a moth or insect, to undergo metamorphosis.
经历某种转变
To undergo some transformation.
使(某物)变成完全不同的样子
To transform (something) so that it has a completely different appearance.
metamorphose
Base
原形
metamorphoses
3rd person
第三人称单数
metamorphosing
-ing
现在分词
metamorphosed
Past
过去式
metamorphosed
Past participle
过去分词
In spring, tadpoles metamorphose into frogs.
春天，蝌蚪变成青蛙。
The harsh winter metamorphosed the village into a ghost town.
严冬使这个村庄变成了一个鬼城。
The company has metamorphosed from a small workshop into an industrial giant.
这家公司已经从一个小作坊变成了工业巨头。
metamorphose 为正式动词，既可用作不及物动词（与 into 连用），也可用作及物动词，表示彻底改变形态或性质。
The caterpillar metamorphoses into a butterfly.
毛毛虫蜕变成蝴蝶。
The old factory was metamorphosed into a modern art gallery.
那座旧工厂被改造成了一座现代美术馆。
Over time, their friendship metamorphosed into something deeper.
随着时间推移，他们的友谊蜕变成了更深的情感。
不及物用法，主语自身发生变化，后接 into 表示变化结果。
The caterpillar metamorphosed into a butterfly.
毛毛虫变成了蝴蝶。
及物用法，接宾语表示使某物变成另一物。
The heat metamorphosed the farmland into a desert.
高温使农田变成了沙漠。
常与 from...into... 连用，强调变化的起点和终点。
The army metamorphosed from a guerrilla force into a professional army.
这支军队从游击队变成了正规军。
Not this
The caterpillar underwent a metamorphose.
Use this
The caterpillar underwent a metamorphosis.
metamorphose 是动词，不能用作名词；表示“蜕变、变态发育”这一过程的名词形式是 metamorphosis，所以跟在 underwent a 后面要用名词 metamorphosis。
Not this
The tadpole metamorphosed to a frog.
Use this
The tadpole metamorphosed into a frog.
动词 metamorphose 表示“变成”时，须用介词 into 引出变化的结果，不能用 to。metamorphose into 是固定搭配。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
蜕变成；变成
The caterpillar metamorphoses into a butterfly.
毛毛虫蜕变成蝴蝶。
从……蜕变成……
The company metamorphosed from a small startup into a global corporation.
这家公司从一家小初创企业蜕变成一家跨国集团。
彻底改变
Her personality metamorphosed completely after the trip.
那次旅行后，她的性格彻底改变了。
逐渐演变
The artist's style gradually metamorphosed over the years.
这位艺术家的风格多年来逐渐演变。
变得面目全非
The old town has metamorphosed beyond recognition over the decades.
几十年间，这座老城变得面目全非。
Use metamorphosing naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：联想到常用词'morph'（变形），'metamorphose'就是彻底变形，如毛毛虫变蝴蝶。
语域：formal 常见场景：正式写作、文学作品、生物学描述 该词通常用于正式或文学语体，口语中较少使用；日常表达“使改变”多用 change 或 turn into。
及物用法中主语是施动者（使……变形）；不及物用法中主语是变化者（自身变形）。
Dictionary facts from ECDICT, WIKTIONARY.