blackjack sb
作动词时为及物动词，后面直接跟被击打的人。
The attacker blackjacked the guard and ran off.
袭击者用黑杰克击打警卫后逃走了。
用黑杰克或类似武器击打。
用黑杰克或类似武器击打。
To strike with a blackjack or similar weapon.
一般现在时
They blackjack anyone who refuses to pay.
他们用棍棒殴打任何拒绝付款的人。
past
The gang blackjacked the shopkeeper last night.
昨晚那伙歹徒用金属短棍袭击了店主。
present participle
He is blackjacking the door to break it down.
他正用金属棒砸门试图破门而入。
规则动词
The thief tried to blackjack the guard from behind, but the guard turned around in time.
那个小偷试图从背后用黑杰克击打警卫，但警卫及时转过身来。
用法提示：此处 blackjack 是动词，表示用黑杰克（一种短棍）击打。
In the old movie, the villain blackjacked the detective and left him on the floor.
在那部老电影里，反派用黑杰克击打了侦探，然后把他留在地上。
用法提示：blackjacked 是 blackjack 的过去式，表示用黑杰克击打。
She feared someone might blackjack her in the dark alley, so she walked quickly toward the main street.
她害怕有人会在黑暗的小巷里用黑杰克击打她，所以她赶紧朝大街走去。
用法提示：blackjack 在本句为动词原形，表示用黑杰克击打这一动作。
作动词时为及物动词，后面直接跟被击打的人。
The attacker blackjacked the guard and ran off.
袭击者用黑杰克击打警卫后逃走了。
常用被动语态，强调受害者或动作的承受者。
The witness was blackjacked in the alley.
那名目击者在小巷里被人用黑杰克击打。
grammar · medium
易错句子The guard blackjack the prisoner last night.
正确表达The guard blackjacked the prisoner last night.
表示过去发生的动作要用一般过去时；blackjack 是规则动词，过去式加 -ed 变为 blackjacked。汉语动词没有时态屈折，学习者容易漏掉 -ed。
grammar · medium
易错句子The robber blackjacked at the guard.
正确表达The robber blackjacked the guard.
blackjack 是及物动词，后面直接接宾语，不需要加介词 at；汉语“击打某人”也是直接带宾语，但学习者受英语中 strike at 等表达干扰会误加介词。
grammar · medium
易错句子The victim blackjacked by the robber.
正确表达The victim was blackjacked by the robber.
被动语态要由 be 动词加过去分词构成；汉语用“被”字句时没有系动词，学习者容易漏掉 was，只保留过去分词 blackjacked。
club 是通用动词，泛指用棍棒等钝器击打，也可指高尔夫球杆等；blackjack 则专指用黑杰克（一种包皮革的短棍）击打，动作更具体、用法更窄。两者不可随意互换。
bludgeon 强调用沉重的钝器反复猛击，常带暴力伤害色彩，还可引申为“胁迫某人做某事”；blackjack 只表示用黑杰克这一特定短棍击打，没有引申义。
blackmail 意为抓住把柄要挟、勒索钱财，与 blackjack 的“用短棍击打”毫无词义交集，只因拼写相近、都以 black- 开头、读音相近而容易混淆；两者的含义和搭配完全不同，不能替换。
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