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a [cleaning subject] cleaner
表示职业，常与清洁对象连用。
He works as a window cleaner.
他是一名窗户清洁工。
清洁工；保洁员
先理解核心含义，再看它在真实句子里的用法。
清洁工；保洁员
a person whose job is to clean rooms, floors, windows, etc.
He works as a window cleaner.
他是一名窗户清洁工。
以清洁为业的人；清洁工。
A person whose occupation is to clean things, especially rooms, floors, and windows.
用于清洁的制剂
a preparation used in cleaning something
清洁器具,如吸尘器。
A device that cleans, such as the vacuum cleaner.
干洗店经营者
the operator of dry-cleaning establishment
The dry cleaner said my suit would be ready by tomorrow.
干洗店老板说我的西装明天就能洗好。
She works as a cleaner in the office building every evening.
她每天晚上在办公楼里做清洁工。
I need a glass cleaner that doesn't leave streaks.
我需要一种不留水痕的玻璃清洁剂。
表示职业，常与清洁对象连用。
He works as a window cleaner.
他是一名窗户清洁工。
指清洁剂时为可数名词。
Use a gentle cleaner on the surface.
在这种表面使用温和的清洁剂。
指干洗店经营者，常与 'dry' 连用。
The dry cleaner said the suit would be ready tomorrow.
干洗店老板说西装明天能取。
Not this
I need cleaner for my glasses.
Use this
I need a cleaner for my glasses.
英语中cleaner作清洁剂是可数名词，中文常认为不可数而忽略冠词，应加不定冠词a。
Not this
I cleaner the floor every day.
Use this
I clean the floor every day.
cleaner是名词，不能用作动词。表示打扫应用动词clean。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
窗户清洁工；窗户清洁剂
The window cleaner comes every Friday.
窗户清洁工每周五来。
吸尘器
I need to buy a new vacuum cleaner.
我需要买一个新吸尘器。
干洗店；干洗工
She took her suit to the dry cleaner.
她把西装拿到干洗店去了。
清洁液
Use a mild cleaner fluid for the wooden floor.
对木地板使用温和的清洁液。
专业清洁工
We hired a professional cleaner for the deep cleaning.
我们雇了一位专业清洁工进行深度清洁。
多功能清洁剂
This all-purpose cleaner works well on many surfaces.
这种多功能清洁剂在很多表面上都很好用。
使某人倾家荡产；彻底击败
The scam artists took him to the cleaners.
那些骗子使他倾家荡产。
我是个清洁工，不是杀手。
The film "The Cleaner" (2007) starring Samuel L. Jackson.
电影《清洁工》（2007年），由塞缪尔·杰克逊主演。
我是个清洁工。我清理烂摊子。
Mike Ehrmantraut in the TV series "Breaking Bad" (Season 5).
电视剧《绝命毒师》（第五季）中的迈克·埃曼特劳特。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Use cleaner naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Cleaner 记忆：清洁工（人）、清洁剂（物）、干洗店主（经营者），三者都离不开'清洁'。
Settings: domestic cleaning, commercial janitorial services, dry-cleaning establishments, and industrial cleaning. Register: neutral.
可数名词，指清洁工或清洁剂。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
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