pick a scab
collocation抠痂
Don't pick a scab even if it itches.
即使发痒也不要抠痂。
痂；疮痂
scabs — plural of scab
工贼；破坏罢工者；（马铃薯）疮痂病；植物疮痂病；（羊）疥癣；（铸件表面的）结疤
A dry crust that forms over a cut or wound as it heals.
伤口、水疱或脓疱愈合时形成的硬痂。
An incrustation over a sore, wound, vesicle, or pustule, formed during healing.
罢工期间工作(或提供工人)的人
someone who works (or provides workers) during a strike
兽疥癣,尤指绵羊身上的。
The mange, especially when it appears on sheep.
愈合皮肤病变的结痂状表面
the crustlike surface of a healing skin lesion
马铃薯疮痂病,由链霉菌引起的块茎表面产生凹陷和损伤的病害。
Any of several different diseases of potatoes producing pits and other damage on their surface, caused by streptomyces bacteria (but formerly believed to be caused by a fungus).
普通疮痂病,一种相对无害的马铃薯病害,由疮痂链霉菌引起。
Common scab, a relatively harmless variety of scab (potato disease) caused by Streptomyces scabies.
多种危害栽培植物的真菌病害之一,形成暗色痂状斑点。
Any one of various more or less destructive fungal diseases that attack cultivated plants, forming dark-colored crustlike spots.
铸件表面的轻微不规则突起,由模具部分破损造成。
A slight irregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold.
卑鄙、肮脏、微不足道的人。
A mean, dirty, paltry fellow.
The union members called the replacement worker a scab.
工会成员称那名为罢工顶替的工人为工贼。
用法提示：名词scab指在罢工期间工作的人，含贬义
He picked at the scab on his knee, making it bleed again.
他抠了抠膝盖上的痂，结果又流血了。
用法提示：名词scab指伤口愈合时结的痂
The doctor said not to remove the scab because it protects the wound.
医生说不要揭掉那层痂，因为它保护着伤口。
用法提示：名词scab指愈合中的皮肤损伤表面的硬壳
crust 泛指面包皮、地壳等硬外层，范围比 scab 广；指伤口上的痂时 scab 更直接、常用。
此反义词仅对应 scab 的“工贼、破坏罢工者”义项；在“伤口痂”等义项下没有常用直接反义词。
抠痂
Don't pick a scab even if it itches.
即使发痒也不要抠痂。
结痂（过程）
Scab formation is a normal part of wound healing.
结痂是伤口愈合的正常过程。
痂组织
The scab tissue protects the new skin underneath.
痂组织保护下面的新皮肤。
马铃薯疮痂病
Potato scab can make the tubers unsightly.
马铃薯疮痂病会使块茎不好看。
顶替罢工者的人；工贼
The factory hired scab labor during the strike.
罢工期间工厂雇用了顶替罢工者的人。
痂是伤口愈合时在表面形成的硬壳。
痂是皮肤愈合过程中的自然产物。
痂主要由干涸的血和血清构成。
感染可能导致伤口结痂或加剧结痂。
水疱破裂后也可能形成痂。
结痂；愈合
The wound should scab over within a week.
伤口应在一周内结痂。
老是抠痂；反复揭开伤疤
Stop picking at that scab—it will heal faster if you leave it alone.
别再抠那块痂了，你不碰它好得更快。
Choose the next layer that will help you use scabs with more confidence.
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Dictionary facts from ECDICT, WIKTIONARY.