1
pounce
不及物用法，通常暗含扑向某人/某物；若要明确指出目标，用 pounce on/upon。
The cat saw the mouse and pounced.
猫看见老鼠，猛地扑了过去。
猛扑；扑向；突然袭击
先理解核心含义，再看它在真实句子里的用法。
猛扑；扑向；突然袭击
to suddenly jump on and catch or attack someone or something
The cat saw the mouse and pounced.
猫看见老鼠，猛地扑了过去。
撒上或涂上吸墨粉。
To sprinkle or rub with pounce powder.
跳起欲抓住某人或某物。
To leap into the air intending to seize someone or something.
突然扑向并攻击。
To attack suddenly by leaping.
急切抓住机会。
To eagerly seize an opportunity.
pounce
Base
原形
pounces
3rd person
第三人称单数
pouncing
-ing
现在分词
pounced
Past
过去式
pounced
Past participle
过去分词
The cat pounces on the toy mouse.
猫扑向玩具老鼠。
She pounced on the opportunity immediately.
她立刻抓住了这个机会。
They have pounced on every mistake in the report.
他们抓住了报告中的每一个错误。
pounce 常与 on/upon 连用，表示突然扑向或急切抓住机会。
The cat pounced on the toy mouse under the sofa.
猫扑向沙发底下的玩具老鼠。
She immediately pounced on the chance to study abroad.
她立刻抓住出国留学的机会。
The hawk pounces on its prey from high above.
老鹰从高处猛扑向猎物。
不及物用法，通常暗含扑向某人/某物；若要明确指出目标，用 pounce on/upon。
The cat saw the mouse and pounced.
猫看见老鼠，猛地扑了过去。
on/upon 后接扑击的具体对象（如猎物、人），也可接 opportunity、chance 等抽象名词，表示急切抓住机会。
The lion pounced on the gazelle.
狮子猛扑向瞪羚。
at 表示朝目标跃去，不一定扑到；on/upon 则更强调扑到并抓住或攻击。
The goalkeeper pounced at the ball.
守门员纵身扑向球。
Not this
The cat pounced the mouse.
Use this
The cat pounced on the mouse.
pounce 是不及物动词，不能直接在后面跟宾语；表示扑向并抓住或攻击的对象时，必须先加介词 on（或 upon）。所以 The cat pounced the mouse 缺少介词，语法不通；加上 on 后意思才完整。
Not this
The tiger pounced to the hunter.
Use this
The tiger pounced on the hunter.
汉语的“扑向”容易让人把“向”直译成 to，但 pounce 表示扑到并攻击目标时，固定搭配是 pounce on/upon，不用 to。to 只表示移动方向，无法表达“扑到并作用于目标”的含义，因此这里要改用 on。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
猛扑向猎物
The cat pounced on the mouse before it could escape.
猫在老鼠逃跑前猛扑过去。
急切抓住机会
Investors were quick to pounce on the opportunity to buy the shares.
投资者迅速抓住机会买入这些股票。
抓住错误不放
Her critics were ready to pounce on any mistake she made.
她的批评者随时准备抓住她犯的任何错误。
立即采纳这个想法
The publisher pounced on the idea for a new series.
出版商立即采纳了这个推出新系列的想法。
猛扑；攻击；急切抓住
The owl pounced on its prey without a sound.
猫头鹰悄无声息地猛扑猎物。
急切抓住机会
She pounced on the opportunity to study abroad.
她急切抓住了出国留学的机会。
突然攻击（或责难）某人
The reporters pounced on the politician as she left the court.
记者们在那位政客离开法庭时一拥而上追问她。
抓住错误不放
My teacher pounced on every little mistake in my essay.
我的老师揪出了我作文中的每一个小错误。
Use pounce naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：pounce 中含有 ounce（盎司），想象一只猫看到一盎司美食，立刻扑上去猛抓。
语域：neutral 常见场景：animal hunting、sudden physical attack 该词作动词时，通常表示“猛扑、突然袭击”，多用于动物捕猎或人突然冲向他人的场景；也常引申为“急切抓住机会”，搭配多为 pounce on/upon。整体属于中性常见表达。
与 pounce /paʊns/ 押韵的有：bounce /baʊns/、ounce /aʊns/、announce /əˈnaʊns/、trounce /traʊns/，都带 /aʊns/ 音。注意 prance /præns/ 拼写相似，但元音不同且多一个 /r/，不押韵。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.