1
turn [object] upside down
表示将某物翻转，底部朝上。
She turned the box upside down to empty it.
她把盒子倒过来倒空。
上下颠倒；倒置
先理解核心含义，再看它在真实句子里的用法。
上下颠倒；倒置
Inverted, so that the top is at the bottom.
She turned the box upside down to empty it.
她把盒子倒过来倒空。
颠倒的,顶部朝下。
Inverted, so that the top is now at the bottom.
极度混乱；乱七八糟。
In great disorder.
The painting in the living room is hanging upside down.
客厅里的那幅画挂倒了。
He put the empty glass upside down on the tray.
他把空玻璃杯倒扣在托盘上。
The toddler wore his baseball cap upside down, and everyone laughed.
那个幼儿把棒球帽反戴着，逗得大家直笑。
表示将某物翻转，底部朝上。
She turned the box upside down to empty it.
她把盒子倒过来倒空。
描述某物处于颠倒的状态。
The picture on the wall is upside down.
墙上的画挂反了。
常用于描述悬挂的姿势。
Bats hang upside down when they sleep.
蝙蝠睡觉时倒挂着。
Not this
He painted an upside down house.
Use this
He painted the house upside down.
“upside down” 是副词，不能直接放在名词前作定语。应放在动词后或句末，表示“颠倒地”。
Not this
He upside downed the cake.
Use this
He turned the cake upside down.
“upside down” 是副词短语，不能用作动词。需加上动词“turn”来表示“把…颠倒”。
Choose the next layer that will help you use upside down with more confidence.
Recommended next
Missing: Collocations
Complete this area with collocations.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use upside down naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
常用于描述状态或方式，跟在动词或be动词后
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.