1
catch sb doing sth
此结构表示偶然发现或撞见某人正在做某事，常带出其不意的语气。
I caught him stealing the money.
我撞见他偷钱。
接住；抓住；截住
catches — third person singular of catch
先理解核心含义，再看它在真实句子里的用法。
接住；抓住；截住
to take hold of something, especially something thrown or falling; to intercept or receive it
I caught him stealing the money.
我撞见他偷钱。
捕获,追上。
To capture, overtake.
抓住。
To seize hold of.
拦截。
To intercept.
接住。
To receive (by being in the way).
catch
Base
原形
catches
3rd person
第三人称单数
catching
-ing
现在分词
caught
Past
过去式
caught
Past participle
过去分词
I catch the ball.
我接住球。
She caught a cold last week.
她上周感冒了。
He has caught three fish.
他已经抓到了三条鱼。
The police caught the thief hiding in the basement.
警察抓住了躲在地下室的小偷。
She catches the bus every morning at 7:30.
她每天早上7:30赶上公交车。
The fisherman was catching trout in the stream.
渔夫正在溪流里钓鳟鱼。
此结构表示偶然发现或撞见某人正在做某事，常带出其不意的语气。
I caught him stealing the money.
我撞见他偷钱。
相当于 grab hold of，表示突然或用力抓住。
She caught hold of the rope.
她抓住了绳子。
表示突然或短暂地看到，强调非有意观察。
We caught sight of the ship in the distance.
我们远远地看到了那艘船。
Not this
I catched the ball.
Use this
I caught the ball.
catch 的过去式是不规则变化 caught，不是 catched；英语中不能按规则动词加 -ed 构成过去式。
Not this
I need to catch up my homework.
Use this
I need to catch up on my homework.
catch up 表示'赶上进度'时，后接宾语需加介词 on；受中文'赶上'的影响直接接宾语，造成介词缺失。
Not this
I want to catch this chance to study abroad.
Use this
I want to seize this chance to study abroad.
中文'抓住机会'直译成 catch this chance 不符合英语搭配习惯；英语中与 chance 搭配的动词常用 take、seize、grasp，而 catch 多用于接住物体或赶上交通工具。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
引起某人的注意
The bright red dress caught my eye.
那件鲜红色的连衣裙引起了我的注意。
捕到一条鱼；钓鱼
We caught two fish in the river.
我们在河里捕到了两条鱼。
撞见某人正在做某事
I caught him reading my diary.
我撞见他正在读我的日记。
突然看到；瞥见
I caught sight of a deer in the woods.
我在树林里突然看到一只鹿。
接住球
Can you catch this ball?
你能接住这个球吗？
抓住小偷
The police caught the thief.
警察抓住了小偷。
吸引某人的注意
The bright colors in the painting caught my eye immediately.
画中明亮的颜色立刻吸引了我的注意。
当场捉住（某人做坏事）
The police caught the thief red-handed stealing the car.
警察当场抓住了正在偷车的小偷。
着火；突然变得火爆
The dry leaves caught fire in seconds.
干树叶几秒钟内就着火了。
有本事就来抓我。
The title of the 2002 film based on the true story of Frank Abagnale; now a common playful challenge.
出自2002年根据弗兰克·阿巴内尔真实故事改编的同名电影《猫鼠游戏》片名，现在常被用作开玩笑的挑战。
抓住一颗流星，把它放进你的口袋，别让它消失。
A line from Perry Como's 1957 hit song 'Catch a Falling Star', encouraging one to catch a falling star to preserve happiness.
出自佩里·科莫1957年的热门歌曲《Catch a Falling Star》，歌词鼓励人们抓住流星以留住幸福。
Use catches naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想猫（cat）伸爪（ch）扑抓猎物，cat+ch=catch，记住它表示“捕捉、抓住”。
语域：neutral 常见场景：追捕/抓捕、打猎/捕鱼 该词义多用于日常叙述和一般书面语，语气中性；通常没有明显的口语或正式色彩。具体搭配如 catch a fish、catch the thief 都很自然。
过去式和过去分词为caught
Dictionary facts from ECDICT, WIKTIONARY.