1
give sb an anesthetic
give 后接双宾语（sb + sth）；anesthetic 在此是可数名词，指一剂麻醉药。
The nurse gave me an anesthetic before the minor surgery.
小手术前，护士给我打了麻醉剂。
麻醉剂；麻药
先理解核心含义，再看它在真实句子里的用法。
麻醉剂；麻药
a drug that causes temporary loss of bodily sensations
The nurse gave me an anesthetic before the minor surgery.
小手术前，护士给我打了麻醉剂。
导致身体感觉暂时丧失的药物
a drug that causes temporary loss of bodily sensations
The dentist used an anesthetic to numb my gum before filling the tooth.
牙医用麻醉剂麻醉了我的牙龈，然后补了牙。
This anesthetic takes effect within a few minutes and lasts about an hour.
这种麻醉剂几分钟内起效，持续约一个小时。
The patient required a stronger anesthetic for the procedure.
那位患者做这个手术需要更强效的麻醉剂。
give 后接双宾语（sb + sth）；anesthetic 在此是可数名词，指一剂麻醉药。
The nurse gave me an anesthetic before the minor surgery.
小手术前，护士给我打了麻醉剂。
wears off 表示药效逐渐消失；the anesthetic 指之前所用的那剂麻药。
He became conscious as the anesthetic wore off.
麻醉剂效力消退后，他恢复了意识。
此处 anesthetic 为形容词，修饰 effect；have an effect on 表示“对……有作用”。
The ointment has an anesthetic effect on the skin.
这种药膏对皮肤有麻醉作用。
Not this
The doctor gave me anesthetic before the surgery.
Use this
The doctor gave me an anesthetic before the surgery.
anesthetic 作可数名词表示‘一剂麻醉药’时，前面须加不定冠词 an，不能裸用单数可数名词。
Not this
The anesthesia is very strong, so it will last long.
Use this
The anesthetic is very strong, so it will last long.
anesthesia 指麻醉状态或过程，anesthetic 指引起麻醉的药物；句中指药物，应用 anesthetic。
Not this
After the injection, my arm felt anesthetic.
Use this
After the injection, my arm felt numb.
anesthetic 作形容词意为‘麻醉性的’，修饰药物或方法，不用于描述人的感觉；表示‘麻木的’要用 numb。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
局部麻醉剂
The dentist applied a local anesthetic before the procedure.
牙医在手术前使用了局部麻醉剂。
全身麻醉剂
The patient was given a general anesthetic for the surgery.
患者接受手术时被施用了全身麻醉剂。
施用麻醉剂
The nurse administered an anesthetic to ease the pain.
护士施用麻醉剂以减轻疼痛。
在麻醉状态下
The operation took three hours while she was under anesthetic.
手术在她麻醉状态下持续了三个小时。
麻醉效果
The drug has a strong anesthetic effect.
这种药物有很强的麻醉效果。
Use anesthetic naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：an-（无）+ esthetic（感觉），麻药让人失去感觉，故为麻醉剂。
语域：mixed 常见场景：clinical consultations、dentist visits、post-procedure conversation 该词作名词指“麻醉剂/麻药”时，多用于医疗、牙科或手术等场景，也会在日常谈论治疗时自然使用，整体介于正式与日常之间，不算生僻或随便。
与 anesthetic /ˌænəsˈθɛtɪk/ 真正押韵的有 aesthetic、sympathetic、pathetic（均以 /θɛtɪk/ 结尾），以及 apologetic、cosmetic（重读元音后也是 /ɛtɪk/）。注意拼写相似的 anesthesia /ˌænəsˈθiːʒə/ 发音不同，切勿按 -etic 读。
Dictionary facts from ECDICT, WIKTIONARY.