stab someone in the back
collocation背后捅刀子（比喻背叛）
He stabbed his friend in the back by revealing his secret.
他泄露朋友的秘密，背后捅了一刀。
刺；捅；扎
先理解核心含义，再看它在真实句子里的用法。
刺；捅；扎
pierce or wound with a pointed weapon
The victim was stabbed in the chest during the fight.
受害者在打斗中胸部被刺伤。
用(通常是尖锐的)工具或武器刺或伤害(某人),尤其是刀或匕首
To pierce or to wound (somebody) with a (usually pointed) tool or weapon, especially a knife or dagger.
以刺的动作推入
To thrust in a stabbing motion.
用(通常是尖锐的)物体的尖端鲁莽地击打(常与at连用)
To recklessly hit with the tip of a (usually pointed) object, such as a weapon or finger (often used with at).
引起尖锐的疼痛(常与at连用)
To cause a sharp, painful sensation (often used with at).
stab
Base
原形
stabs
3rd person
第三人称单数
stabbing
-ing
现在分词
stabbed
Past
过去式
stabbed
Past participle
过去分词
He stabs the paper with his pen.
他用笔刺穿纸张。
She stabbed the steak with a fork.
她用叉子戳了牛排。
The pain is stabbing my back.
疼痛正在刺痛我的背。
刺；戳；刺痛
He threatened to stab me with a broken bottle.
他威胁要用破瓶子捅我。
The cook quickly stabs the sausage with a knife to let the steam escape.
厨师用刀快速扎了一下香肠，让蒸汽跑出来。
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背后捅刀子（比喻背叛）
He stabbed his friend in the back by revealing his secret.
他泄露朋友的秘密，背后捅了一刀。
用刀刺某人
The assailant stabbed the victim with a knife.
袭击者用刀刺伤了受害者。
戳向某物
She stabbed at the lock with a screwdriver.
她用螺丝刀戳向锁。
刺入某物
The needle stabbed into his arm.
针刺入他的手臂。
刺出一个洞
He stabbed a hole in the plastic cover.
他在塑料盖上刺了一个洞。
背后捅刀子；背叛
He stabbed his colleague in the back by taking credit for her work.
他抢了同事的功劳，在背后捅了她一刀。
尝试做
She made a stab at solving the math problem but gave up quickly.
她尝试解这道数学题，但很快就放弃了。
瞎猜；无把握的尝试
My answer was just a stab in the dark; I had no idea what the correct answer was.
我的答案只是瞎猜；我根本不知道正确答案是什么。
Use stab naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一把刀刺（stab）入身体，瞬间“撕他吧”的剧痛，记住读音和动作。
作为动词，字面义（刺）多用于中性场合；比喻义（背叛）较非正式。
常作及物动词，后接宾语
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.