1
a caseworker
caseworker 是可数名词，单数前需加冠词。
She is a caseworker at the local social services office.
她是当地社会服务办公室的一名社会工作者。
社会工作者
先理解核心含义，再看它在真实句子里的用法。
社会工作者
a person employed to provide social services, especially to disadvantaged people
She is a caseworker at the local social services office.
她是当地社会服务办公室的一名社会工作者。
社会工作者。
A social worker.
制作案例工作者；制作木制家具的人。
Someone who makes casework; someone who builds wooden furniture.
The caseworker visited the family to see how they were settling into their new home.
社会工作者拜访了这家人，看看他们适应新家的情况。
My caseworker helped me apply for housing benefits.
我的社会工作者帮我申请了住房补助。
Caseworkers often have heavy workloads and many clients.
社会工作者通常工作量大，服务对象也很多。
caseworker 是可数名词，单数前需加冠词。
She is a caseworker at the local social services office.
她是当地社会服务办公室的一名社会工作者。
表示职业时常用 work as a/an ...。
He works as a caseworker for a foster care agency.
他在一家寄养机构担任社会工作者。
caseworker 常指具体负责某人或某家庭的社会工作者，可用所有格限定。
My caseworker called to schedule a visit.
我的社工打电话来安排一次探访。
Not this
She is a casework.
Use this
She is a caseworker.
“casework” 指社工的工作本身，不是人；表示“社工”要用加 -er 的名词形式 “caseworker”。
Not this
She is caseworker.
Use this
She is a caseworker.
“caseworker” 是可数名词单数，前面需要冠词 “a” 或 “the”；中文没有冠词，容易遗漏，所以应说 “a caseworker” 表示“一名社工”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
社会工作者
She has worked as a social caseworker for ten years.
她做社会工作者已有十年了。
受过培训的社工
A trained caseworker knows how to handle difficult situations.
受过培训的社工知道如何处理困难的情况。
被指派的社工
The assigned caseworker will visit the family tomorrow.
被指派的社工明天将去拜访这个家庭。
社工探访
The caseworker visits each client at least once a month.
这位社工每月至少探访每位服务对象一次。
社工培训
All new employees must complete caseworker training.
所有新员工都必须完成社工培训。
Use caseworker naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：case（个案）+ worker（工作者）→ 专门处理个案的社会工作者
语域：neutral 常见场景：social services、welfare agencies、nonprofit organizations 该词为中性专业用语，通常用于社会工作、福利机构等正式或半正式场合；日常口语中也可使用，但显得较为正式。
case、base、face 都读 /eɪs/，押韵；其中 case 和 base 都拼作 -ase，face 拼作 -ace。worker 和 lurker 同押 /ɜːkə(r)/ 韵。注意 walker 拼写很像 worker，但读 /ˈwɔːkə(r)/，元音是 /ɔː/ 而非 /ɜː/。
Dictionary facts from ECDICT, WIKTIONARY.