a + adj. + smart
此义项为可数名词，指伤口、烧伤或疮引起的短暂锐痛，常见搭配如 a sharp smart、a sudden smart。
A sudden smart shot through her arm.
一阵突然的刺痛穿过她的手臂。
痛苦；悲痛；忧伤；摔角内行观众；一种如伤口、烧伤或疮引起的刺痛；精神痛苦
A sharp, stinging pain, as from a cut, burn, or sore.
刺痛
A sharp, quick, lively pain; a sting.
一种如伤口、烧伤或疮引起的刺痛
a kind of pain such as that caused by a wound or a burn or a sore
精神痛苦
Mental pain or suffering; grief; affliction.
知情摔角迷
A fan of professional wrestling who is aware of kayfabe and the scripted nature of the competition.
The smart from the paper cut faded after a few minutes.
纸割伤的刺痛几分钟后消退了。
用法提示：smart 作名词，表示伤口处的刺痛感。
She felt a sharp smart in her finger when she touched the hot pan.
她碰到热锅时，手指感到一阵剧烈的刺痛。
用法提示：smart 作名词，指灼热引起的刺痛。
The antiseptic caused a brief smart on the scrape.
消毒水在擦伤处引起短暂的刺痛。
用法提示：smart 作名词，表示消毒时产生的刺痛感。
此义项为可数名词，指伤口、烧伤或疮引起的短暂锐痛，常见搭配如 a sharp smart、a sudden smart。
A sudden smart shot through her arm.
一阵突然的刺痛穿过她的手臂。
of 后接引起刺痛的事物；既可指身体上的伤口、烧伤，也可指情感上的拒绝、挫折等精神痛苦。
He still felt the smart of their rejection.
他仍然感到被他们拒绝的痛苦。
此义项指了解摔角剧情内幕的观众，复数 smarts 作主语时谓语用复数。
Wrestling smarts knew the fight was scripted.
摔角内行观众知道这场打斗是按剧本演的。
grammar · medium
易错句子After the burn healed, I still felt smart in my arm.
正确表达After the burn healed, I still felt a smart in my arm.
smart 作名词表示“刺痛”时是可数名词，单数指某处具体的一阵痛感，前面必须用不定冠词 a/an。汉语说“我感到刺痛”不带冠词，学习者容易照搬而省略。补上 a 后即为“一阵刺痛”，符合可数名词单数需限定的规则。
grammar · medium
易错句子I felt a smart on my knee after the fall.
正确表达I felt a smart in my knee after the fall.
表示疼痛所在的身体部位时，英语用介词 in（部位内部、里面），不用 on。汉语“……上有刺痛”里的“上”容易迁移成 on，但 a smart in + 身体部位才是地道说法。
grammar · medium
易错句子Lucy is a smart; she finished the test in ten minutes.
正确表达Lucy is smart; she finished the test in ten minutes.
smart 作名词只表示“刺痛”或“摔角内行观众”，不能指“聪明的人”。表示人聪明须用形容词 smart 作表语，即 sb is smart，不能加冠词 a 把形容词当名词用。
sting 多指昆虫蜇刺或刺伤造成的锐痛，也可泛指刺痛感；smart 作名词较书面且少见，强调伤口、烧伤等引起的短促尖锐刺痛，两者疼痛来源和语体不同。
pang 指突然袭来的一阵剧痛，也常用于饥饿、内疚等情感痛苦，常与 of 连用；smart 作名词侧重身体上短促的刺痛，不用于表示情感上的阵痛。
ache 指持续性的钝痛，常构成 headache、toothache 等复合词；smart 指短促尖锐的刺痛，疼痛性质和持续时间不同，不能互换。
感到一阵刺痛
He felt a smart in his shoulder after the injection.
注射后他感到肩膀一阵刺痛。
伤口的刺痛
The smart of the wound gradually faded.
伤口的刺痛渐渐消退了。
泪水带来的刺痛
She wiped her eyes, feeling the smart of tears.
她擦了擦眼睛，感到泪水带来的刺痛。
自尊心受挫的痛苦
He could not forget the smart of wounded pride.
他无法忘记自尊心受挫的痛苦。
adj.
街头智慧；应付实际生活的精明能力
He didn't go to college, but he has street smarts.
他没上过大学，但他有街头智慧。
聪明人；机灵鬼
She's a smart cookie; she'll figure out the problem quickly.
她是个聪明人，很快就能弄清楚这个问题。
非常聪明；反应敏捷
My grandfather is as smart as a whip even at his age.
我爷爷即使到了这个年纪，依然非常聪明。
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